{"id":3194,"date":"2026-05-25T00:03:12","date_gmt":"2026-05-25T00:03:12","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/semicircle-area-calculation-4\/"},"modified":"2026-05-25T00:03:12","modified_gmt":"2026-05-25T00:03:12","slug":"semicircle-area-calculation-4","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/semicircle-area-calculation-4\/","title":{"rendered":"\u534a\u5706\u9762\u79ef\u8ba1\u7b97"},"content":{"rendered":"<p>\u4e00\u4e2a\u534a\u5706\u5f62\u7a97\u6237\u7684\u534a\u5f84\u662f 44 \u5398\u7c73\u3002\u53d6 \u03c0 = 3.14\uff0c\u5b83\u7684\u9762\u79ef\u662f\u591a\u5c11\uff1f<\/p>\n<ul class=\"quiz-options\">\n<li>3039.52 \u5e73\u65b9\u5398\u7c73<\/li>\n<li>276.32 \u5e73\u65b9\u5398\u7c73<\/li>\n<li>6079.04 \u5e73\u65b9\u5398\u7c73<\/li>\n<li>1936 \u5e73\u65b9\u5398\u7c73<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1165,1168],"subject":[1083],"education_level":[3],"class_list":["post-3194","mcq","type-mcq","status-publish","hentry","topic-circle","topic-composite-figures","subject-mensuration","education_level-grade-8"],"mcq_note":"\u534a\u5706\u662f\u4e00\u4e2a\u5706\u7684\u4e00\u534a\u3002\u9762\u79ef = 1\/2 \u00d7 \u03c0r\u00b2 = 1\/2 \u00d7 3.14 \u00d7 44 \u00d7 44 = 3039.52 \u5e73\u65b9\u5398\u7c73\u3002\u9762\u79ef\u4e0e r\u00b2 \u6709\u5173\uff0c\u6240\u4ee5\u534a\u5f84\u8981\u4e0e\u81ea\u8eab\u76f8\u4e58\u3002\u6ce8\u610f\u4e0d\u8981\u7528 2\u03c0r\uff1b\u90a3\u662f\u5706\u5468\u957f\u516c\u5f0f\u3002\u6b63\u786e\u9009\u9879\u662f 3039.52 \u5e73\u65b9\u5398\u7c73\u3002","mcq_options":[{"right":"yes","answer":"3039.52 \u5e73\u65b9\u5398\u7c73"},{"right":"no","answer":"276.32 \u5e73\u65b9\u5398\u7c73"},{"right":"no","answer":"6079.04 \u5e73\u65b9\u5398\u7c73"},{"right":"no","answer":"1936 \u5e73\u65b9\u5398\u7c73"}],"multi_answers":"no","subject_terms":[{"id":1083,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":1165,"title":"\u5706","slug":"circle"},{"id":1168,"title":"\u7ec4\u5408\u56fe\u5f62","slug":"composite-figures"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/3194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/comments?post=3194"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=3194"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=3194"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=3194"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=3194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}