Hình thoi và hình vuông - Bài tập trung bình

Home Lớp 8 Toán lớp 8 - Sách Kết nối tri thức Bài 14. Hình thoi và hình vuôngBài tập trung bình

{"common":{"save":0,"post_id":"6572","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6109","post_id":"6572","mon_id":"1158921","chapter_id":"1158929","question":"Ch\u1ecdn t\u1eeb thích h\u1ee3p \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng trong câu sau:<\/p>"Hình ch\u1eef nh\u1eadt có <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> b\u1eb1ng nhau là hình vuông."<\/p>","options":["A.<\/strong> hai góc k\u1ec1","B.<\/strong> hai c\u1ea1nh k\u1ec1","C.<\/strong> hai \u0111\u01b0\u1eddng chéo","D.<\/strong> hai c\u1ea1nh \u0111\u1ed1i"],"correct":"2","level":"2","hint":"","answer":""Hình ch\u1eef nh\u1eadt có hai c\u1ea1nh k\u1ec1<\/span> b\u1eb1ng nhau là hình vuông."<\/p>Ch\u1ecdn B.<\/strong> hai c\u1ea1nh k\u1ec1<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:49:14","option_type":"txt","len":2},{"id":"6110","post_id":"6572","mon_id":"1158921","chapter_id":"1158929","question":"Cho hình thoi ABCD. C\u1ea7n có thêm \u0111i\u1ec1u ki\u1ec7n gì \u0111\u1ec3 ABCD là hình vuông?<\/p><svg height=\"180\" width=\"210\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"212\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><path d=\"m25.705,95.21855l77.99999,-75l77.99999,75l-77.99999,75l-77.99999,-75z\" fill=\"#aaffd4\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"96.00001\" xml:space=\"preserve\" y=\"21.29\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.00001\" xml:space=\"preserve\" y=\"103.29\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"114.00001\" xml:space=\"preserve\" y=\"177.29001\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"185.00001\" xml:space=\"preserve\" y=\"102.29\">D<\/text> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> $\\widehat{BAD}=90^0$<\/span>","B.<\/strong> $\\widehat{BAC}=90^0$<\/span>","C.<\/strong> AC $\\bot$<\/span> BD","D.<\/strong> AB = AD"],"correct":"1","level":"2","hint":"Hình thoi có m\u1ed9t góc vuông là hình vuông.<\/p>","answer":"Hình thoi ABCD có $\\widehat{BAD}=90^0$<\/span><\/span> thì nó là hình vuông.<\/p>Ch\u1ecdn A.<\/strong> $\\widehat{BAD}=90^0$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:53:02","option_type":"math","len":0},{"id":"6112","post_id":"6572","mon_id":"1158921","chapter_id":"1158929","question":"Cho ABCD là hình bình hành. Hình bình hành ABCD c\u1ea7n có thêm \u0111i\u1ec1u ki\u1ec7n gì \u0111\u1ec3 nó hình thoi?<\/p>","options":["A.<\/strong> AB = CD","B.<\/strong> AC = BD","C.<\/strong> BC = DC","D.<\/strong> BC = DA"],"correct":"3","level":"2","hint":"Hình bình hành có hai c\u1ea1nh k\u1ec1 b\u1eb1ng nhau là hình thoi.<\/p>","answer":"<svg height=\"120\" width=\"170\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"172\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_6\"> <path d=\"m23.80476,101.13071l24.4,-77.99999l97.6,0l-24.4,77.99999l-97.6,0z\" fill=\"#ffaa56\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"25.95453\" xml:space=\"preserve\" y=\"24.97727\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"147.95453\" xml:space=\"preserve\" y=\"23.97727\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"126.95453\" xml:space=\"preserve\" y=\"111.97726\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"0.95453\" xml:space=\"preserve\" y=\"110.97726\">D<\/text> <\/g> <\/g> <\/svg><\/span><\/p>N\u1ebfu BC = DC thì hình bình hành ABCD là hình thoi.<\/p>Ch\u1ecdn C.<\/strong> BC = DC<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:58:12","option_type":"txt","len":0}]}