{"id":28702,"date":"2022-01-31T19:36:30","date_gmt":"2022-01-31T14:06:30","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=28702"},"modified":"2025-02-07T10:45:45","modified_gmt":"2025-02-07T05:15:45","slug":"lines-and-angles-class-7-extra-questions-maths-chapter-5","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/","title":{"rendered":"Lines and Angles Class 7 Extra Questions"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Understanding_Lines_and_Angles\" title=\"Understanding Lines and Angles\">Understanding Lines and Angles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Why_Practice_Extra_Questions\" title=\"Why Practice Extra Questions?\">Why Practice Extra Questions?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Lines_and_Angles_Class_7_Extra_Questions_Maths_Chapter_5_PDF\" title=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 PDF\">Lines and Angles Class 7 Extra Questions Maths Chapter 5 PDF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Lines_and_Angles_Class_7_Extra_Questions_with_Answers_and_Solutions\" title=\"Lines and Angles Class 7 Extra Questions with Answers and Solutions\">Lines and Angles Class 7 Extra Questions with Answers and Solutions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Lines_and_Angles_Class_7_Extra_Questions_Short_Answer_Type\" title=\"Lines and Angles Class 7 Extra Questions Short Answer Type\">Lines and Angles Class 7 Extra Questions Short Answer Type<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Lines_and_Angles_Class_7_FAQs\" title=\"Lines and Angles Class 7 FAQs\">Lines and Angles Class 7 FAQs<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_lines_in_geometry\" title=\"What are lines in geometry?\">What are lines in geometry?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_is_the_difference_between_a_line_and_a_line_segment\" title=\"What is the difference between a line and a line segment?\">What is the difference between a line and a line segment?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_angles\" title=\"What are angles?\">What are angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#How_do_we_measure_angles\" title=\"How do we measure angles?\">How do we measure angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_complementary_angles\" title=\"What are complementary angles?\">What are complementary angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_supplementary_angles\" title=\"What are supplementary angles?\">What are supplementary angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_vertical_angles\" title=\"What are vertical angles?\">What are vertical angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_is_a_transversal\" title=\"What is a transversal?\">What is a transversal?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#What_are_corresponding_angles\" title=\"What are corresponding angles?\">What are corresponding angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-7\/maths\/lines-and-angles-class-7-extra-questions-maths-chapter-5\/#Why_are_angles_important_in_real_life\" title=\"Why are angles important in real life?\">Why are angles important in real life?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Geometry is an essential branch of mathematics, and understanding its fundamental concepts is crucial for students. One of the key topics in geometry is <strong>Lines and Angles<\/strong>, which forms the foundation for many advanced concepts in higher classes. To help students strengthen their understanding of this topic, we have compiled a set of <strong>Lines and Angles Class 7 Extra Questions<\/strong> that cover all essential concepts in a structured manner.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Lines_and_Angles\"><\/span>Understanding Lines and Angles<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before diving into <strong>Lines and Angles Class 7 Extra Questions<\/strong>, let&#8217;s briefly understand the basics. A line is a straight path that extends infinitely in both directions, while a line segment has two endpoints. Similarly, a ray starts from one point and extends infinitely in one direction. Angles are formed when two lines or rays meet at a common point, known as the vertex.<\/p>\n<p>There are different types of angles, such as acute, obtuse, right, straight, and reflex angles. Understanding these concepts thoroughly will help students solve <strong>Lines and Angles Class 7 Extra Questions<\/strong> with ease.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Practice_Extra_Questions\"><\/span>Why Practice Extra Questions?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Practicing <strong>Lines and Angles Class 7 Extra Questions<\/strong> is essential for several reasons. First, it helps students reinforce their learning by applying theoretical concepts to practical problems. Second, it enhances problem-solving skills and builds confidence for exams. Lastly, extra questions provide exposure to different types of problems, ensuring that students are well-prepared for any question that appears in their exams.<\/p>\n<p>To help you master this chapter, we have prepared a set of <strong>Lines and Angles Class 7 Extra Questions Maths Chapter 5<\/strong> that will challenge your understanding and reinforce your learning. These extra questions cover a range of topics, from identifying different types of lines and angles to solving problems involving complementary and supplementary angles.<\/p>\n<p>With these extra questions, you will be well-prepared to tackle the <a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-5-lines-and-angles\/\"><strong>NCERT Solutions for Class 7 Maths Chapter 5<\/strong><\/a> and excel in your <a href=\"https:\/\/infinitylearn.com\/surge\/cbse\/cbse-syllabus\/\"><strong>CBSE syllabus<\/strong><\/a>. Download the <strong>Lines and Angles Class 7 Extra Questions Maths Chapter 5 PDF<\/strong> to get started and stay ahead in your <a href=\"https:\/\/infinitylearn.com\/surge\/cbse\/cbse-class-7-maths-syllabus\/\"><strong>Class 7 Maths syllabus<\/strong><\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lines_and_Angles_Class_7_Extra_Questions_Maths_Chapter_5_PDF\"><\/span>Lines and Angles Class 7 Extra Questions Maths Chapter 5 PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Get ready to master the world of geometry with our &#8216;<strong>Lines and Angles Class 7 Extra Questions Maths Chapter 5 PDF<\/strong>&#8216;. This comprehensive guide covers various types of lines and angles, their properties, and problem-solving techniques. Stay ahead in your <strong>Class 7 Maths syllabus<\/strong> with our<strong> extra questions a<\/strong>nd <strong>NCERT Solutions class 7 for Chapter 5<\/strong>.<\/p>\n\n\t\t<div class=\"download-pdf-container\">\n\t\t\t<span class=\"title\">Do you need help with your Homework? 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href=\"\/surge\/?pdfemb-serveurl=https%3A%2F%2Finfinitylearn.com%2Fsurge%2Fwp-content%2Fuploads%2Fsecurepdfs%2F2024%2F06%2FLines-and-Angles-Class-7-Extra-Questions-with-Answers-PDF-Download.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-mobile-width=\"0\"  data-scrollbar=\"both\" data-download=\"off\" data-tracking=\"on\" data-newwindow=\"on\" data-pagetextbox=\"off\" data-scrolltotop=\"on\" data-startzoom=\"100\" data-startfpzoom=\"100\" data-download-nonce=\"72d1e13034\" data-disablerightclick=\"on\" data-toolbar=\"top\" data-toolbar-fixed=\"on\">Lines and Angles Class 7 Extra Questions with Answers PDF Download<br\/><\/a>\n<h2><span class=\"ez-toc-section\" id=\"Lines_and_Angles_Class_7_Extra_Questions_with_Answers_and_Solutions\"><\/span>Lines and Angles Class 7 Extra Questions with Answers and Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Question 1.  <\/strong><strong>Find the angles which is \\(\\frac { 1 }{ 5 }\\) of its complement.<\/strong><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>Let the required angle be x\u00b0<\/p>\n<p>its complement = (90 \u2013 x)\u00b0<\/p>\n<p>As per condition, we get<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858071_8a95d4978c_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q1\" width=\"219\" height=\"180\" \/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858106_48b4d71a34_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q1.1\" width=\"310\" height=\"151\" \/><\/p>\n<p><strong>Question 2. Find the angles which is \\(\\frac { 2 }{ 3 }\\) of its supplement.<\/strong><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>Let the required angle be x\u00b0.<\/p>\n<p>its supplement = (180 \u2013 x)\u00b0<\/p>\n<p>As per the condition, we get<\/p>\n<p>\\(\\frac { 2 }{ 3 }\\) of (180 \u2013 x)\u00b0 = x\u00b0<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042952122_efe8bbe349_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q2\" width=\"260\" height=\"280\" \/><\/p>\n<p><strong>Question 3. Find the value of x in the given figure.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858261_1c57654a54_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q3\" width=\"258\" height=\"133\" \/><\/p>\n<p><strong>Solution<\/strong>: \u2220POR + \u2220QOR = 180\u00b0 (Angles of linear pair)<\/p>\n<p>\u21d2 (2x + 60\u00b0) + (3x \u2013 40)\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 2x + 60 + 3x \u2013 40 = 180\u00b0<\/p>\n<p>\u21d2 5x + 20 = 180\u00b0<\/p>\n<p>\u21d2 5x = 180 \u2013 20 = 160<\/p>\n<p>\u21d2 x = 32<\/p>\n<p>Thus, the value of x = 32.<\/p>\n<p><strong>Question 4. In the given figure, find the value of y.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858296_ddd8dd66c5_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q4\" width=\"204\" height=\"182\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>Let the angle opposite to 90\u00b0 be z.<\/p>\n<p>z = 90\u00b0 (Vertically opposite angle)<\/p>\n<p>3y + z + 30\u00b0 = 180\u00b0 (Sum of adjacent angles on a straight line)<\/p>\n<p>\u21d2 3y + 90\u00b0 + 30\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 3y + 120\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 3y = 180\u00b0 \u2013 120\u00b0 = 60\u00b0<\/p>\n<p>\u21d2 y = 20\u00b0<\/p>\n<p>Thus the value of y = 20\u00b0.<\/p>\n<div class=\"card\" style=\"text-align: center;\"><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-courses-cbse-class-7?utm_source=surge&amp;utm_medium=interlinking\"><br \/>\n<img loading=\"lazy\" class=\" lazyloaded\" style=\"width: 100%; border-radius: 10px;\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/class-7-cbse-foundation-course.png\" alt=\"class 7 cbse foundation course\" width=\"1201\" height=\"636\" data-src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/class-7-cbse-foundation-course.png\" \/><\/a><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-courses-cbse-class-7?utm_source=surge&amp;utm_medium=interlinking\"><button><strong>Class 7 CBSE Foundation Course<\/strong><\/button><\/a><\/p>\n<div style=\"text-align: left;\">The Class 7 CBSE Foundation Course is designed to be the most competitive educational program in India, providing an exceptional online learning experience. Our focused batch encompasses all crucial subjects, ensuring comprehensive preparation for students.<\/div>\n<\/div>\n<p><strong>Question 5. Find the supplements of each of the following:<\/strong><\/p>\n<p><strong>(i) 30\u00b0<\/strong><\/p>\n<p><strong>(ii) 79\u00b0<\/strong><\/p>\n<p><strong>(iii) 179\u00b0<\/strong><\/p>\n<p><strong>(iv) x\u00b0<\/strong><\/p>\n<p><strong>(v) \\(\\frac { 2 }{ 5 }\\) of right angle<\/strong><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>(i) Supplement of 30\u00b0 = 180\u00b0 \u2013 30\u00b0 = 150\u00b0<\/p>\n<p>(ii) Supplement of 79\u00b0 = 180\u00b0 \u2013 79\u00b0 = 101\u00b0<\/p>\n<p>(iii) Supplement of 179\u00b0 = 180\u00b0 \u2013 179\u00b0 = 1\u00b0<\/p>\n<p>(iv) Supplement of x\u00b0 = (180 \u2013 x)\u00b0<\/p>\n<p>(v) Supplement of \\(\\frac { 2 }{ 5 }\\) of right angle<\/p>\n<p>= 180\u00b0 \u2013 \\(\\frac { 2 }{ 5 }\\) \u00d7 90\u00b0 = 180\u00b0 \u2013 36\u00b0 = 144\u00b0<\/p>\n<p><strong>Question 6. If the angles (4x + 4)\u00b0 and (6x \u2013 4)\u00b0 are the supplementary angles, find the value of x.<\/strong><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>(4x + 4)\u00b0 + (6x \u2013 4)\u00b0 = 180\u00b0 (\u2235 Sum of the supplementary angle is 180\u00b0)<\/p>\n<p>\u21d2 4x + 4 + 6x \u2013 4 = 180\u00b0<\/p>\n<p>\u21d2 10x = 180\u00b0<\/p>\n<p>\u21d2 x = 18\u00b0<\/p>\n<p>Thus, x = 18\u00b0<\/p>\n<p><strong>Question 7. Find the value of x.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858306_8805fbf4e4_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q7\" width=\"283\" height=\"140\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>(6x \u2013 40)\u00b0 + (5x + 9)\u00b0 + (3x + 15) \u00b0 = 180\u00b0 (\u2235 Sum of adjacent angles on straight line)<\/p>\n<p>\u21d2 6x \u2013 40 + 5x + 9 + 3x + 15 = 180\u00b0<\/p>\n<p>\u21d2 14x \u2013 16 = 180\u00b0<\/p>\n<p>\u21d2 14x = 180 + 16 = 196<\/p>\n<p>\u21d2 x = 14<\/p>\n<p>Thus, x = 14<\/p>\n<p><strong>Question 8. Find the value of y.<\/strong><\/p>\n<p><strong><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042858016_3cc9458453_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q8\" width=\"237\" height=\"166\" \/><\/strong><br \/>\n<strong>Solution:<\/strong><\/p>\n<p>l || m, and t is a transversal.<\/p>\n<p>y + 135\u00b0 = 180\u00b0 (Sum of interior angles on the same side of transversal is 180\u00b0)<\/p>\n<p>\u21d2 y = 180\u00b0 \u2013 135\u00b0 = 45\u00b0<\/p>\n<p>Thus, y = 45\u00b0<\/p>\n<p style=\"text-align: center;\"><button style=\"width: 50%;\"><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/foundation-course-for-class-7?utm_source=surge&amp;utm_medium=interlinking\"><strong>Enroll Now to Foundation Course for Class 7<\/strong><\/a><\/button><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lines_and_Angles_Class_7_Extra_Questions_Short_Answer_Type\"><\/span>Lines and Angles Class 7 Extra Questions Short Answer Type<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 9. Find the value ofy in the following figures:<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042857991_c21fdfaabd_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q9\" width=\"280\" height=\"460\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p><strong>(i) y + 15\u00b0 = 360\u00b0 (Sum of complete angles round at a point)<\/strong><\/p>\n<p>\u21d2 y = 360\u00b0 \u2013 15\u00b0 = 345\u00b0<\/p>\n<p>Thus, y = 345\u00b0<\/p>\n<p><strong>(ii) (2y + 10)\u00b0 + 50\u00b0 + 40\u00b0 + 130\u00b0 = 360\u00b0 (Sum of angles round at a point)<\/strong><\/p>\n<p>\u21d2 2y + 10 + 220 = 360<\/p>\n<p>\u21d2 2y + 230 = 360<\/p>\n<p>\u21d2 2y = 360 \u2013 230<\/p>\n<p>\u21d2 2y = 130<\/p>\n<p>\u21d2 y = 65<\/p>\n<p>Thus, y = 65\u00b0<\/p>\n<p><strong>(iii) y + 90\u00b0 = 180\u00b0 (Angles of linear pair)<\/strong><\/p>\n<p>\u21d2 y = 180\u00b0 \u2013 90\u00b0 = 90\u00b0<\/p>\n[40\u00b0 + 140\u00b0 = 180\u00b0, which shows that l is a straight line]\n<p><strong>Question 10. In the following figures, find the lettered angles.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042857936_fd03aa6b57_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q10\" width=\"182\" height=\"185\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p><strong>(i) Let a be represented by \u22201 and \u22202<\/strong><\/p>\n<p>\u2220a = \u22201 + \u22202<\/p>\n<p>\u22201 = 35\u00b0 (Alternate interior angles)<\/p>\n<p>\u22202 = 55\u00b0 (Alternate interior angles)<\/p>\n<p>\u22201 + \u22202 = 35\u00b0 + 55\u00b0<\/p>\n<p>\u2220a = 90\u00b0<\/p>\n<p>Thus, \u2220a = 90\u00b0<\/p>\n<p><strong>Question 11. In the given figure, prove that AB || CD.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042887938_a475e47bda_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q11\" width=\"235\" height=\"129\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>\u2220CEF = 30\u00b0 + 50\u00b0 = 80\u00b0<\/p>\n<p>\u2220DCE = 80\u00b0 (Given)<\/p>\n<p>\u2220CEF = \u2220DCE<\/p>\n<p>But these are alternate interior angle.<\/p>\n<p>CD || EF \u2026\u2026(i)<\/p>\n<p>Now \u2220EAB = 130\u00b0 (Given)<\/p>\n<p>\u2220AEF = 50\u00b0 (Given)<\/p>\n<p>\u2220EAB + \u2220AEF = 130\u00b0 + 50\u00b0 = 180\u00b0<\/p>\n<p>But these are co-interior angles.<\/p>\n<p>AB || EF \u2026(ii)<\/p>\n<p>From eq. (i) and (ii), we get<\/p>\n<p>AB || CD || EF<\/p>\n<p>Hence, AB || CD<\/p>\n<p>Co-interior angles\/Allied angles: Sum of interior angles on the same side of transversal is 180\u00b0.<\/p>\n<p><strong>Question 12. In the given figure l || m. Find the values of a, b and c.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042857781_a9787dcf05_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q12\" width=\"257\" height=\"220\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p><strong>(i) We have l || m<\/strong><\/p>\n<p>\u2220b = 40\u00b0 (Alternate interior angles)<\/p>\n<p>\u2220c = 120\u00b0 (Alternate interior angles)<\/p>\n<p>\u2220a + \u2220b + \u2220c = 180\u00b0 (Sum of adjacent angles on straight angle)<\/p>\n<p>\u21d2 \u2220a + 40\u00b0 + 120\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 \u2220a + 160\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 \u2220a = 180\u00b0 \u2013 160\u00b0 = 20\u00b0<\/p>\n<p>Thus, \u2220a = 20\u00b0, \u2220b = 40\u00b0 and \u2220c = 120\u00b0.<\/p>\n<p><strong>(ii) We have l || m<\/strong><\/p>\n<p>\u2220a = 45\u00b0 (Alternate interior angles)<\/p>\n<p>\u2220c = 55\u00b0 (Alternate interior angles)<\/p>\n<p>\u2220a + \u2220b + \u2220c = 180\u00b0 (Sum of adjacent angles on straight line)<\/p>\n<p>\u21d2 45 + \u2220b + 55 = 180\u00b0<\/p>\n<p>\u21d2 \u2220b + 100 = 180\u00b0<\/p>\n<p>\u21d2 \u2220b = 180\u00b0 \u2013 100\u00b0<\/p>\n<p>\u21d2 \u2220b = 80\u00b0<\/p>\n<p><strong>Question 13. In the adjoining figure if x : y : z = 2 : 3 : 4, then find the value of z.<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042951667_14f33a0722_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q13\" width=\"213\" height=\"141\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>Let x = 2s\u00b0<\/p>\n<p>y = 3s\u00b0<\/p>\n<p>and z = 4s\u00b0<\/p>\n<p>\u2220x + \u2220y + \u2220z = 180\u00b0 (Sum of adjacent angles on straight line)<\/p>\n<p>2s\u00b0 + 3s\u00b0 + 4s\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 9s\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 s\u00b0 = 20\u00b0<\/p>\n<p>Thus x = 2 \u00d7 20\u00b0 = 40\u00b0, y = 3 \u00d7 20\u00b0 = 60\u00b0 and z = 4 \u00d7 20\u00b0 = 80\u00b0<\/p>\n<p><strong>Question 14. In the following figure, find the value of \u2220BOC, if points A, O and B are collinear. (NCERT Exemplar)<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042857666_d69f6bf394_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q14\" width=\"260\" height=\"144\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>We have A, O and B are collinear.<\/p>\n<p>\u2220AOD + \u2220DOC + \u2220COB = 180\u00b0 (Sum of adjacent angles on straight line)<\/p>\n<p>(x \u2013 10)\u00b0 + (4x \u2013 25)\u00b0 + (x + 5)\u00b0 = 180\u00b0<\/p>\n<p>\u21d2 x \u2013 10 + 4x \u2013 25 + x + 5 = 180\u00b0<\/p>\n<p>\u21d2 6x \u2013 10 \u2013 25 + 5 = 180\u00b0<\/p>\n<p>\u21d2 6x \u2013 30 = 180\u00b0<\/p>\n<p>\u21d2 6x = 180 + 30 = 210<\/p>\n<p>\u21d2 x = 35<\/p>\n<p>So, \u2220BOC = (x + 5)\u00b0 = (35 + 5)\u00b0 = 40\u00b0<\/p>\n<p><strong>Question 15. In given figure, PQ, RS and UT are parallel lines.<\/strong><\/p>\n<p><strong>(i) If c = 57\u00b0 and a = \\(\\frac { c }{ 3 }\\), find the value of d.<\/strong><\/p>\n<p><strong>(ii) If c = 75\u00b0 and a = \\(\\frac { 2 }{ 5 }\\)c , find b.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/48042951537_d569273006_o.png\" alt=\"Lines and Angles Class 7 Extra Questions Maths Chapter 5 Q15\" width=\"242\" height=\"153\" \/><\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>(i) We have \u2220c = 57\u00b0 and \u2220a = \\(\\frac { \\angle c }{ 3 }\\)<\/p>\n<p>\u2220a = \\(\\frac { 57 }{ 3 }\\) = 19\u00b0<\/p>\n<p>PQ || UT (given)<\/p>\n<p>\u2220a + \u2220b = \u2220c (Alternate interior angles)<\/p>\n<p>19\u00b0 + \u2220b = 57\u00b0<\/p>\n<p>\u2220b = 57\u00b0 \u2013 19\u00b0 = 38\u00b0<\/p>\n<p>PQ || RS (given)<\/p>\n<p>\u2220b + \u2220d = 180\u00b0 (Co-interior angles)<\/p>\n<p>38\u00b0 + \u2220d = 180\u00b0<\/p>\n<p>\u2220d = 180\u00b0 \u2013 38\u00b0 = 142\u00b0<\/p>\n<p>Thus, \u2220d = 142\u00b0<\/p>\n<p>(ii) We have \u2220c = 75\u00b0 and \u2220a = \\(\\frac { 2 }{ 5 }\\) \u2220c<\/p>\n<p>\u2220a = \\(\\frac { 2 }{ 5 }\\) \u00d7 75\u00b0 = 30\u00b0<\/p>\n<p>PQ || UT (given)<\/p>\n<p>\u2220a + \u2220b = \u2220c<\/p>\n<p>30\u00b0 + \u2220b = 75\u00b0<\/p>\n<p>\u2220b = 75\u00b0 \u2013 30\u00b0 = 45\u00b0<\/p>\n<p>Thus, \u2220b = 45\u00b0<\/p>\n<p><strong>Question 16. What is the sum of the measures of the angles of a triangle?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The sum of the measures of the angles of a triangle is 180 degrees.<\/p>\n<p><strong>Question 17. What is the sum of the measures of the angles of a quadrilateral?<\/strong><\/p>\n<p><strong>Solution: <\/strong>The sum of the measures of the angles of a quadrilateral is 360 degrees.<\/p>\n<p><strong>Question 18. What is the measure of the angle formed by two intersecting lines?<\/strong><\/p>\n<p><strong>Solution: <\/strong>The measure of the angle formed by two intersecting lines is 90 degrees, which is a right angle.<\/p>\n<p><strong>Question 19. What is the measure of the angle formed by two lines that are parallel and cut by a transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are parallel and cut by a transversal is 60 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 20. What is the measure of the angle formed by two lines that are perpendicular and cut by a transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are perpendicular and cut by a transversal is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 21. What is the measure of the angle formed by two lines that are parallel and cut by a transversal, and one of the lines is perpendicular to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are parallel and cut by a transversal, and one of the lines is perpendicular to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 22. What is the measure of the angle formed by two lines that are perpendicular and cut by a transversal, and one of the lines is parallel to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are perpendicular and cut by a transversal, and one of the lines is parallel to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 23. What is the measure of the angle formed by two lines that are parallel and cut by a transversal, and both lines are perpendicular to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are parallel and cut by a transversal, and both lines are perpendicular to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 24. What is the measure of the angle formed by two lines that are perpendicular and cut by a transversal, and both lines are parallel to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are perpendicular and cut by a transversal, and both lines are parallel to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 25. What is the measure of the angle formed by two lines that are parallel and cut by a transversal, and one of the lines is perpendicular to the transversal, and the other line is parallel to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are parallel and cut by a transversal, and one of the lines is perpendicular to the transversal, and the other line is parallel to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<p><strong>Question 26. What is the measure of the angle formed by two lines that are perpendicular and cut by a transversal, and one of the lines is perpendicular to the transversal, and the other line is parallel to the transversal?<\/strong><\/p>\n<p><strong>Solution: <\/strong> The measure of the angle formed by two lines that are perpendicular and cut by a transversal, and one of the lines is perpendicular to the transversal, and the other line is parallel to the transversal, is 90 degrees, which is an exterior angle.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lines_and_Angles_Class_7_FAQs\"><\/span>Lines and Angles Class 7 FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_lines_in_geometry\"><\/span>What are lines in geometry?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tLines are straight, one-dimensional figures that extend infinitely in both directions. They have no endpoints.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_a_line_and_a_line_segment\"><\/span>What is the difference between a line and a line segment?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tA line extends infinitely in both directions, while a line segment has two endpoints and a fixed length.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_angles\"><\/span>What are angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAn angle is formed when two rays (sides of the angle) meet at a common endpoint (vertex). It measures the rotation between the two rays.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_do_we_measure_angles\"><\/span>How do we measure angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAngles are measured in degrees (\u00b0) using a protractor. A full circle is 360\u00b0, a right angle is 90\u00b0, and a straight angle is 180\u00b0.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_complementary_angles\"><\/span>What are complementary angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tComplementary angles are two angles that add up to 90\u00b0. For example, if one angle is 30\u00b0, the other must be 60\u00b0.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_supplementary_angles\"><\/span>What are supplementary angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tSupplementary angles are two angles that sum up to 180\u00b0. For example, if one angle is 110\u00b0, the other must be 70\u00b0.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_vertical_angles\"><\/span>What are vertical angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tVertical angles are the opposite angles formed when two lines intersect. They are always equal in measure.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_a_transversal\"><\/span>What is a transversal?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tA transversal is a line that crosses two or more other lines. It creates several angles, including corresponding, alternate interior, and alternate exterior angles.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_corresponding_angles\"><\/span>What are corresponding angles?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tCorresponding angles are formed when a transversal intersects two parallel lines. They are in the same position on each line and are equal in measure.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_are_angles_important_in_real_life\"><\/span>Why are angles important in real life?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAngles are crucial in various fields such as construction, art, engineering, and navigation, helping to create accurate designs and measurements.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are lines in geometry?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Lines are straight, one-dimensional figures that extend infinitely in both directions. 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It measures the rotation between the two rays.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How do we measure angles?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Angles are measured in degrees (\u00b0) using a protractor. A full circle is 360\u00b0, a right angle is 90\u00b0, and a straight angle is 180\u00b0.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are complementary angles?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Complementary angles are two angles that add up to 90\u00b0. For example, if one angle is 30\u00b0, the other must be 60\u00b0.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are supplementary angles?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Supplementary angles are two angles that sum up to 180\u00b0. For example, if one angle is 110\u00b0, the other must be 70\u00b0.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are vertical angles?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Vertical angles are the opposite angles formed when two lines intersect. They are always equal in measure.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is a transversal?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"A transversal is a line that crosses two or more other lines. It creates several angles, including corresponding, alternate interior, and alternate exterior angles.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are corresponding angles?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Corresponding angles are formed when a transversal intersects two parallel lines. They are in the same position on each line and are equal in measure.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why are angles important in real life?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Angles are crucial in various fields such as construction, art, engineering, and navigation, helping to create accurate designs and measurements.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Geometry is an essential branch of mathematics, and understanding its fundamental concepts is crucial for students. One of the key [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"lines and angles","_yoast_wpseo_title":"Lines and Angles Class 7 Extra Questions with Answers - Free PDF | IL","_yoast_wpseo_metadesc":"Get free PDF of Class 7 Lines and Angles extra questions with answers. Practice important questions with solutions to ace your exams. 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