{"id":21156,"date":"2026-05-25T16:52:08","date_gmt":"2026-05-25T10:52:08","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-volume-using-radius-and-height-18\/"},"modified":"2026-05-25T16:52:08","modified_gmt":"2026-05-25T10:52:08","slug":"cylinder-volume-using-radius-and-height-18","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/cylinder-volume-using-radius-and-height-18\/","title":{"rendered":"Cylinder Volume Using Radius and Height"},"content":{"rendered":"<p>Using \u03c0 = 3.14, find the volume of a cylinder with radius 12 mm and height 70 mm.<\/p>\n<ul class=\"quiz-options\">\n<li>6179.52 mm\u00b3<\/li>\n<li>5275.2 mm\u00b3<\/li>\n<li>31651.2 mm\u00b3<\/li>\n<li>452.16 mm\u00b3<\/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-21156","mcq","type-mcq","status-publish","hentry","topic-cylinder","topic-volume-and-curved-surface-area","subject-mensuration","education_level-grade-8"],"mcq_note":"Volume of a cylinder = \u03c0r\u00b2h. Substitute r=12 and h=70: volume = 3.14 \u00d7 12 \u00d7 12 \u00d7 70 = 31651.2 cubic mm. 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 31651.2 mm\u00b3.","mcq_options":[{"right":"no","answer":"6179.52 mm\u00b3"},{"right":"no","answer":"5275.2 mm\u00b3"},{"right":"yes","answer":"31651.2 mm\u00b3"},{"right":"no","answer":"452.16 mm\u00b3"}],"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\/21156","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=21156"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=21156"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=21156"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=21156"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=21156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}