{"id":108406,"date":"2022-02-13T15:49:36","date_gmt":"2022-02-13T10:19:36","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=108406"},"modified":"2022-02-13T15:49:36","modified_gmt":"2022-02-13T10:19:36","slug":"ncert-solutions-for-class-8-maths-chapter-4-practical-geometry-ex-4-5","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-material\/ncert-solutions\/class-8\/maths\/chapter-4\/practical-geometry\/ex-4-5\/","title":{"rendered":"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5"},"content":{"rendered":"<h2>NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5<\/h2>\n<p>&nbsp;<\/p>\n<p><strong>Draw the following:<\/strong><br \/>\nEx 4.5 Class 8 Maths Question 1.<br \/>\nThe square READ with RE = 5.1 cm.<br \/>\nSolution:<br \/>\nConstruction:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-106087\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-Q1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Q1\" width=\"203\" height=\"191\" \/><br \/>\nStep I: Draw RE = 5.1 cm.<br \/>\nStep II: Draw an angle of 90\u00b0 at E and cut EA = 5.1 cm.<br \/>\nStep III: Draw two arcs from A and R with radius 5.1 cm to cut each other at D.<br \/>\nStep IV: Join RD and AD.<br \/>\nThus, READ is the required square.<\/p>\n<p>Ex 4.5 Class 8 Maths Question 2.<br \/>\nA rhombus whose diagonals are 5.2 cm and 6.4 cm long.<br \/>\nSolution:<br \/>\nConstruction:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-106089\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-Q2.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Q2\" width=\"198\" height=\"197\" \/><br \/>\nStep I: Draw AC = 6.4 cm.<br \/>\nStep II: Draw the right bisector of AC at E.<br \/>\nStep III: Draw two arcs with centre E and radius = \\(\\frac { 5.2 }{ 2 }\\) = 2.6 cm to cut the previous diagonal at B and D.<br \/>\nStep IV: Join AD, AB, BC and DC.<br \/>\nThus ABCD is the required rhombus.<\/p>\n<p>Ex 4.5 Class 8 Maths Question 3.<br \/>\nA rectangle with adjacent sides of lengths 5 cm and 4 cm.<br \/>\nSolution:<br \/>\nConstruction: Let the two adjacent sides of a rectangle PQRS be PQ = 5 cm and QR = 4 cm.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-106090\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-Q3.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Q3\" width=\"196\" height=\"164\" \/><br \/>\nStep I: Draw PQ = 5 cm.<br \/>\nStep II: Draw an angle of 90\u00b0 at Q and cut QR = 4 cm.<br \/>\nStep III: Draw an arc with centre R and radius 5 cm.<br \/>\nStep IV: Draw another arc with centre P and radius 4 cm to meet the previous arc at S.<br \/>\nStep V: Join RS and PS.<br \/>\nThus, PQRS is the required rectangle.<\/p>\n<p>Ex 4.5 Class 8 Maths Question 4.<br \/>\nA parallelogram OKAY where OK = 5.5 cm and KA = 4.2 cm. Is it unique?<br \/>\nSolution:<br \/>\nConstruction:<br \/>\nStep I: Draw OK = 5.5 cm.<br \/>\nStep II: Draw an angle of any measure (say 60\u00b0) at K and cut KA = 4.2 cm.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-106091\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-Q4.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Q4\" width=\"219\" height=\"175\" \/><br \/>\nStep III: Draw an arc with centre A and radius of 5.5 cm.<br \/>\nStep IV: Draw another arc with centre O and radius 4.2 cm to cut the previous arc at Y.<br \/>\nStep V: Join AY and OY.<br \/>\nThus, OKAY is the required parallelogram.<br \/>\nNo, it is not a unique parallelogram. The angle at K can be of measure other than 60\u00b0.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106093\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A1\" width=\"681\" height=\"689\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106092\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A1.1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A1.1\" width=\"647\" height=\"203\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106095\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A2.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A2\" width=\"687\" height=\"615\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106094\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A2.1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A2.1\" width=\"674\" height=\"523\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106097\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A3.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A3\" width=\"687\" height=\"608\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106096\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A3.1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A3.1\" width=\"662\" height=\"178\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106099\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A4.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A4\" width=\"670\" height=\"591\" \/><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-106098\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/02\/NCERT-Solutions-for-Class-8-Maths-Chapter-4-Practical-Geometry-Ex-4.5-A4.1.png\" alt=\"NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 A4.1\" width=\"679\" height=\"174\" \/><\/p>\n<ul>\n<li><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 &nbsp; Draw the following: Ex 4.5 Class 8 [&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":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Get NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 at infinity learn.","custom_permalink":"study-material\/ncert-solutions\/class-8\/maths\/chapter-4\/practical-geometry\/ex-4-5\/"},"categories":[19,21],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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