{"id":20981,"date":"2026-05-25T16:51:13","date_gmt":"2026-05-25T10:51:13","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-10\/"},"modified":"2026-05-25T16:51:13","modified_gmt":"2026-05-25T10:51:13","slug":"cylinder-curved-surface-area-10","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-10\/","title":{"rendered":"Cylinder Curved Surface Area"},"content":{"rendered":"<p>Using \u03c0 = 3.14, find the curved surface area of a cylinder with radius 13 mm and height 66 mm.<\/p>\n<ul class=\"quiz-options\">\n<li>530.66 mm\u00b2<\/li>\n<li>35023.56 mm\u00b2<\/li>\n<li>6449.56 mm\u00b2<\/li>\n<li>5388.24 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-20981","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 13 \u00d7 66 = 5388.24 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 5388.24 mm\u00b2.","mcq_options":[{"right":"no","answer":"530.66 mm\u00b2"},{"right":"no","answer":"35023.56 mm\u00b2"},{"right":"no","answer":"6449.56 mm\u00b2"},{"right":"yes","answer":"5388.24 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\/20981","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=20981"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20981"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20981"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20981"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}