{"id":3097,"date":"2026-05-19T11:56:24","date_gmt":"2026-05-19T11:56:24","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/use-a-perimeter-formula-to-find-a-variable-5\/"},"modified":"2026-05-19T11:56:24","modified_gmt":"2026-05-19T11:56:24","slug":"use-a-perimeter-formula-to-find-a-variable-5","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/use-a-perimeter-formula-to-find-a-variable-5\/","title":{"rendered":"\u7528\u5468\u957f\u516c\u5f0f\u6c42\u53d8\u91cf"},"content":{"rendered":"<p>\u4e00\u4e2a\u957f\u65b9\u5f62\u7684\u957f\u662f 16 \u5398\u7c73\uff0c\u5bbd\u662f w \u5398\u7c73\u3002\u5982\u679c\u5b83\u7684\u5468\u957f\u662f 42 \u5398\u7c73\uff0cw \u662f\u591a\u5c11\uff1f<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>21<\/li>\n<li>16<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1158,1159],"subject":[1080],"education_level":[2,884,885],"class_list":["post-3097","mcq","type-mcq","status-publish","hentry","topic-formulas-and-applications","topic-perimeter-and-area","subject-algebra","education_level-grade-5","education_level-grade-6","education_level-grade-7"],"mcq_note":"\u4f7f\u7528 P = 2(l+w)\u3002\u4ee3\u5165\uff1a42=2(16+w)\u3002\u4e24\u8fb9\u9664\u4ee5 2\uff1a21=16+w\u3002\u6240\u4ee5 w = 21-16=5\u3002","mcq_options":[{"right":"no","answer":"21"},{"right":"no","answer":"16"},{"right":"yes","answer":"5"},{"right":"no","answer":"6"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1158,"title":"Formulas and Applications","slug":"formulas-and-applications"},{"id":1159,"title":"Perimeter and Area","slug":"perimeter-and-area"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/3097","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=3097"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=3097"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=3097"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=3097"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=3097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}