{"id":21025,"date":"2026-05-25T16:51:14","date_gmt":"2026-05-25T10:51:14","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-12\/"},"modified":"2026-05-25T16:51:14","modified_gmt":"2026-05-25T10:51:14","slug":"cylinder-curved-surface-area-12","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-curved-surface-area-12\/","title":{"rendered":"Cylinder Curved Surface Area"},"content":{"rendered":"<p>Using \u03c0 = 3.14, find the curved surface area of a cylinder with radius 15 m and height 68 m.<\/p>\n<ul class=\"quiz-options\">\n<li>48042 m\u00b2<\/li>\n<li>7818.6 m\u00b2<\/li>\n<li>706.5 m\u00b2<\/li>\n<li>6405.6 m\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-21025","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 15 \u00d7 68 = 6405.6 square m. 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 6405.6 m\u00b2.","mcq_options":[{"right":"no","answer":"48042 m\u00b2"},{"right":"no","answer":"7818.6 m\u00b2"},{"right":"no","answer":"706.5 m\u00b2"},{"right":"yes","answer":"6405.6 m\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\/21025","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=21025"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21025"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21025"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21025"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}