{"id":71475,"date":"2021-01-22T16:40:22","date_gmt":"2021-01-22T11:10:22","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=71475"},"modified":"2021-08-19T12:01:33","modified_gmt":"2021-08-19T06:31:33","slug":"rs-aggarwal-class-8-maths-chapter-20-ex-20-3-solutions","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/rs-aggarwal-class-8-maths-chapter-20-ex-20-3-solutions\/","title":{"rendered":"RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions 2022 | Download Free PDF"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-71476\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/20.3-1.jpg\" alt=\"RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/20.3-1.jpg 1200w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/20.3-1-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><strong>RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/strong>: This exercise is based on word problems of different solid figures such as a cube, cylinder, &amp; cuboid. The questions on this exercise can be tricky so the students need a lot of practice to solve all the problems accurately. These solutions offer students an answer to all the questions in an easy step-wise manner.<\/p>\n<p>RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions assists the students to manage their timings of solving Maths paper in the Class 8<sup>th<\/sup> final exam. These solutions are reliable &amp; are designed by our top Mathematics experts that assist the students to solve all their doubts related to different solid figures such as a cube, cylinder, &amp; cuboid. These solutions are prepared as per the guidelines of the CBSE.<\/p>\n<p>Access <a href=\"https:\/\/www.kopykitab.com\/blog\/rs-aggarwal-solution-class-8-chapter-20-volume-surface-area-of-solid\/\" target=\"_blank\" rel=\"noopener noreferrer\">RS Aggarwal Class 8 Maths Chapter 20 Solutions<\/a> PDF<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 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\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69d81cb0d519d\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" 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: #000000;color:#000000\" 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-69d81cb0d519d\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kopykitab.com\/blog\/rs-aggarwal-class-8-maths-chapter-20-ex-20-3-solutions\/#download-rs-aggarwal-class-8-maths-chapter-20-ex-203-solutions\" title=\"Download RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions\">Download RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/rs-aggarwal-class-8-maths-chapter-20-ex-20-3-solutions\/#important-definition-for-rs-aggarwal-class-8-maths-chapter-20-ex-203-solutions\" title=\"Important Definition for RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions\">Important Definition for RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"download-rs-aggarwal-class-8-maths-chapter-20-ex-203-solutions\"><\/span><strong>Download <\/strong><strong>RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"example1\" style=\"text-align: justify;\">\u00a0<\/div>\n<p style=\"text-align: justify;\"><style>\n.pdfobject-container { height: 500px;}<br \/>\n.pdfobject { border: 1px solid #666; }<br \/>\n<\/style><\/p>\n<p style=\"text-align: justify;\"><script src=\"https:\/\/www.kopykitab.com\/_utility\/js\/pdfobject.min.js\"><\/script><br \/><script>PDFObject.embed(\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/RS-Aggarwal-Class-8-Maths-Chapter-20-Ex-20.3-Solutions.pdf\", \"#example1\");<\/script><\/p>\n<p><a href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/01\/RS-Aggarwal-Class-8-Maths-Chapter-20-Ex-20.3-Solutions.pdf\">RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"important-definition-for-rs-aggarwal-class-8-maths-chapter-20-ex-203-solutions\"><\/span><strong>Important Definition for <\/strong><strong>RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Solid <\/strong><strong>figures<\/strong><\/li>\n<\/ul>\n<p>They have 3-dimensions. They have curved surfaces and flat or lateral sides. Their areas are in square units &amp; the total surface area is equal to the sum of the curved surface area &amp; areas of flat sides. They hold space equal to their volumes.<\/p>\n<ul>\n<li><strong>Cylinder<\/strong><\/li>\n<\/ul>\n<p>It has a round shape with flat faces on top and bottom. Assume a cylinder of radius r and height h. It can be considered to have a surface of rectangular height \u2018h\u2019 and width 2\u03c0r which is the circumference of the circular top and bottom end faces when it is opened and spread.<\/p>\n<p>Therefore, the Total Surface Area of a cylinder = Area of curved surface + Areas of 2 circular faces<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 2\u03c0rh + 2\u03c0r<sup>2<\/sup> = 2\u03c0r(h + r) square Units<\/p>\n<p>Curved Surface Area of a Cylinder = 2\u03c0rh square units<\/p>\n<p>Volume of a cylinder = \u03c0r<sup>2<\/sup>h cubic units.\u00a0\u00a0\u00a0\u00a0<\/p>\n<ul>\n<li><strong>Cube<\/strong><\/li>\n<\/ul>\n<p>It is a solid shaped object which has 6 flat sides of a square shape, each side meeting the adjacent sides at the edge and vertices. All sides are at 90\u2070 to the adjacent sides &amp; have equal length &amp; make a square face.<\/p>\n<p>Surface Area of a Cube = areas of 6 square sides of length \u2018a\u2019<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = a<sup>2<\/sup> + a<sup>2<\/sup> + a<sup>2 <\/sup>+ a<sup>2<\/sup> + a<sup>2<\/sup> + a<sup>2<\/sup> = 6 a<sup>2<\/sup> square units.<\/p>\n<p>Volume of a cube = area of 1 side \u00d7 length (height) of the cube<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = a<sup>2<\/sup> \u00d7 a = a<sup>3<\/sup> cubic units.<\/p>\n<ul>\n<li><strong>Cuboid<\/strong><\/li>\n<\/ul>\n<p>The area = 2ab for cuboid shape, opposite sides area of flat rectangular faces of equal length and breadth or height with length \u2018a\u2019 and width \u2018b\u2019. All sides form 90\u2070 with adjacent sides.<\/p>\n<p>Suppose a cuboid of 2 faces with length \u2018a\u2019 and width \u2018b\u2019 the area = 2ab<\/p>\n<p>2 faces with height \u2018h\u2019 &amp; length \u2018b\u2019, the area = 2bh<\/p>\n<p>2 faces with height \u2018h\u2019 &amp; length \u2018b\u2019, the area = 2ah<\/p>\n<p>Surface Area of a Cuboid = 2(ab + ah + bh) square Units<\/p>\n<p>Volume of a cuboid = a \u00d7 b \u00d7 h square units with length \u2018a\u2019 and width \u2018b\u2019 the area = 2ab<\/p>\n<p>Know more at the <a href=\"https:\/\/www.cbse.gov.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">official website<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions: This exercise is based on word problems of different solid figures such as a cube, cylinder, &amp; cuboid. The questions on this exercise can be tricky so the students need a lot of practice to solve all the problems accurately. These solutions offer students an &#8230; <a title=\"RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions 2022 | Download Free PDF\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/rs-aggarwal-class-8-maths-chapter-20-ex-20-3-solutions\/\" aria-label=\"More on RS Aggarwal Class 8 Maths Chapter 20 Ex 20.3 Solutions 2022 | Download Free PDF\">Read more<\/a><\/p>\n","protected":false},"author":239,"featured_media":71476,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[2985,2917,73722,73412,73410],"tags":[3543,73325,4711],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71475"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/239"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=71475"}],"version-history":[{"count":3,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71475\/revisions"}],"predecessor-version":[{"id":116676,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/71475\/revisions\/116676"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/71476"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=71475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=71475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=71475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}