{"id":155120,"date":"2022-03-26T00:17:33","date_gmt":"2022-03-25T18:47:33","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/180-degree-angle-definition-types-notation-and-solved-example\/"},"modified":"2022-12-23T18:21:45","modified_gmt":"2022-12-23T12:51:45","slug":"180-degree-angle-definition","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/","title":{"rendered":"180 Degree Angle \u2013 Definition, Types, Notation and Solved Example"},"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\/maths\/180-degree-angle\/#180_Degree_Angle\" title=\"180 Degree Angle\">180 Degree Angle<\/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\/maths\/180-degree-angle\/#What_is_an_Angle\" title=\"What is an Angle?\">What is an Angle?<\/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\/maths\/180-degree-angle\/#Types_of_Angles\" title=\"Types of Angles\">Types of Angles<\/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\/maths\/180-degree-angle\/#Table_of_Angles\" title=\"Table of Angles\">Table of Angles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/#Straight_Angle_Examples\" title=\"Straight Angle Examples\">Straight Angle Examples<\/a><\/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\/maths\/180-degree-angle\/#The_Theorem_of_Straight_Line\" title=\"The Theorem of Straight Line\">The Theorem of Straight Line<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/#What_are_the_Properties_of_Straight_Angles\" title=\"What are the Properties of Straight Angles?\">What are the Properties of Straight Angles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/#How_to_Draw_a_180-Degree_Angle_with_the_Help_of_a_Protractor\" title=\"How to Draw a 180-Degree Angle with the Help of a Protractor\">How to Draw a 180-Degree Angle with the Help of a Protractor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/#How_to_Draw_180-Degree_Angle_with_the_Help_of_a_Compass\" title=\"How to Draw 180-Degree Angle with the Help of a Compass?\">How to Draw 180-Degree Angle with the Help of a Compass?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/maths\/180-degree-angle\/#Drawing_Angles_Less_than_180%C2%B0_with_a_Protractor\" title=\"Drawing Angles Less than 180\u00b0 with a Protractor\">Drawing Angles Less than 180\u00b0 with a Protractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"180_Degree_Angle\"><\/span>180 Degree Angle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A 180-degree angle is an angle that is exactly half of a full circle. This means that it is equal to pi radians (180 \/ pi = 57.296 degrees).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_an_Angle\"><\/span>What is an Angle?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An angle is a measure of the turn of a line. It is measured in degrees (\u00b0) and can be written as an angle symbol: \u03b8. The measure of an angle is the length of the arc on the circumference of a circle that has the same endpoints as the angle.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-155119 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/180-degree-angle-definition-types-notation-and-solved-example.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/180-degree-angle-definition-types-notation-and-solved-example.jpg?v=1648234050 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/180-degree-angle-definition-types-notation-and-solved-example-300x212.jpg?v=1648234050 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Angles\"><\/span>Types of Angles<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are three types of angles: acute, right, and obtuse. An acute angle is less than 90 degrees, a right angle is 90 degrees, and an obtuse angle is greater than 90 degrees.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Table_of_Angles\"><\/span>Table of Angles<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A table of angles is a table that shows the different angles that can be created using a certain number of sides. The table will show the name of the angle, the measurement of the angle, and the number of degrees in the angle.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Straight_Angle_Examples\"><\/span>Straight Angle Examples<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An example of a straight angle is a line segment that is perpendicular to another line segment.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Theorem_of_Straight_Line\"><\/span>The Theorem of Straight Line<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A <a href=\"https:\/\/en.wikipedia.org\/wiki\/Line_(geometry)\">straight line<\/a> is the shortest distance between two points.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Properties_of_Straight_Angles\"><\/span>What are the Properties of Straight Angles?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A straight angle is an angle that is 180 degrees. It is also called a right angle.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Draw_a_180-Degree_Angle_with_the_Help_of_a_Protractor\"><\/span>How to Draw a 180-Degree Angle with the Help of a Protractor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Draw a horizontal line on your paper. Place the protractor so that the 0 degree mark is aligned with the left edge of the paper, and the 90 degree mark is aligned with the right edge of the paper. Draw a vertical line intersecting the <a href=\"https:\/\/infinitylearn.com\/surge\/maths\/horizontal-line\" target=\"_blank\" rel=\"noopener\">horizontal line<\/a>. Where the lines intersect is the center of the angle. Place the protractor so that the 0 degree mark is aligned with the top edge of the paper, and the 180 degree mark is aligned with the bottom edge of the paper. Draw a vertical line intersecting the horizontal line. Where the lines intersect is the center of the angle.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Draw_180-Degree_Angle_with_the_Help_of_a_Compass\"><\/span>How to Draw 180-Degree Angle with the Help of a Compass?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A compass can be used to draw a 180-degree angle. First, draw a straight line with the compass. Then, place the compass point at the end of the line and draw a semicircle. The 180-degree angle will be created where the line and semicircle intersect.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Drawing_Angles_Less_than_180%C2%B0_with_a_Protractor\"><\/span>Drawing Angles Less than 180\u00b0 with a Protractor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To draw an angle less than 180\u00b0 with a protractor, first find the measure of the angle. Then, using the markings on the protractor, line up the 0\u00b0 mark with the point where the angle intersects the protractor&#8217;s base line. Finally, use the other markings to measure the angle.<\/p>\n<h2><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>180 Degree Angle A 180-degree angle is an angle that is exactly half of a full circle. This means that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"180 Degree","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about 180 Degree Angle topic of Maths in details explained by subject experts on infinitylearn.com. 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