{"id":20815,"date":"2026-05-25T05:47:29","date_gmt":"2026-05-24T23:47:29","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-3\/"},"modified":"2026-05-25T05:47:29","modified_gmt":"2026-05-24T23:47:29","slug":"cylinder-curved-surface-area-3","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-3\/","title":{"rendered":"Cylinder Curved Surface Area"},"content":{"rendered":"<p>Using \u03c0 = 3.14, find the curved surface area of a cylinder with radius 10 mm and height 63 mm.<\/p>\n<ul class=\"quiz-options\">\n<li>4584.4 mm\u00b2<\/li>\n<li>19782 mm\u00b2<\/li>\n<li>3956.4 mm\u00b2<\/li>\n<li>314 mm\u00b2<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2879,2880],"subject":[2746],"education_level":[1894],"class_list":["post-20815","mcq","type-mcq","status-publish","hentry","topic-cylinder","topic-volume-and-curved-surface-area","subject-mensuration","education_level-grade-8"],"mcq_note":"Curved surface area of a cylinder = 2\u03c0rh. So CSA = 2 \u00d7 3.14 \u00d7 10 \u00d7 63 = 3956.4 square mm. This excludes the two circular ends. Think of a cylinder as many equal circular layers stacked up. So we find the circular base area \u03c0r\u00b2 and multiply by the height. The answer is in cubic units, so the correct choice is 3956.4 mm\u00b2.","mcq_options":[{"right":"no","answer":"4584.4 mm\u00b2"},{"right":"no","answer":"19782 mm\u00b2"},{"right":"yes","answer":"3956.4 mm\u00b2"},{"right":"no","answer":"314 mm\u00b2"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2879,"title":"Cylinder","slug":"cylinder"},{"id":2880,"title":"Volume and Curved Surface Area","slug":"volume-and-curved-surface-area"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/20815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=20815"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20815"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20815"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20815"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}