Hình thoi và hình vuông

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

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x1=\"114.95453\" x2=\"109.95453\" y1=\"161.97726\" y2=\"170.97726\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_28\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"59.95453\" x2=\"52.95453\" y1=\"211.97726\" y2=\"224.97726\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_29\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"64.95453\" x2=\"57.95453\" y1=\"215.97726\" y2=\"228.97726\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_30\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"101.95453\" x2=\"111.95453\" y1=\"217.97726\" y2=\"231.97726\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_31\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"106.95453\" x2=\"116.95453\" y1=\"215.97726\" y2=\"229.97726\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_32\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"62.95453\" xml:space=\"preserve\" y=\"120.97726\">Hình 1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_33\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"255.95453\" xml:space=\"preserve\" y=\"114.97726\">Hình 2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_34\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"58.95453\" xml:space=\"preserve\" y=\"280.97726\">Hình 3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_35\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"277.95453\" xml:space=\"preserve\" y=\"290.97726\">Hình 4<\/text> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> Hình 2","B.<\/strong> Hình 3","C.<\/strong> Hình 4","D.<\/strong> Hình 1"],"correct":"3","level":"1","hint":"Hình thoi là t\u1ee9 giác có 4 c\u1ea1nh b\u1eb1ng nhau.<\/p>","answer":"Ch\u1ecdn C.<\/strong> Hình 4<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:13:59","option_type":"txt","len":2},{"id":"6096","post_id":"6571","mon_id":"1158921","chapter_id":"1158929","question":"Hình thoi là t\u1ee9 giác có <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/>.<\/p>","options":["A.<\/strong> hai c\u1ea1nh k\u1ec1 b\u1eb1ng nhau.","B. <\/strong>b\u1ed1n c\u1ea1nh b\u1eb1ng nhau.","C. <\/strong>b\u1ed1n góc b\u1eb1ng nhau.","D. <\/strong>các c\u1ea1nh \u0111\u1ed1i b\u1eb1ng nhau."],"correct":"2","level":"1","hint":"","answer":"Ch\u1ecdn B. <\/strong>b\u1ed1n c\u1ea1nh b\u1eb1ng nhau.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:16:41","option_type":"txt","len":2},{"id":"6098","post_id":"6571","mon_id":"1158921","chapter_id":"1158929","question":"Cho BACD là hình thoi. Khi \u0111ó:<\/p>","options":["A.<\/strong> AB = BD = CD = CA","B.<\/strong> AB = CD, AC = BD","C.<\/strong> AB = BC = CD = DA","D.<\/strong> AC = BD = BC = DA"],"correct":"1","level":"1","hint":"","answer":"<svg height=\"150\" width=\"290\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" id=\"canvas_background\" width=\"292\" 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=\"m37.71476,77.36238l109.5,-42.5l109.5,42.5l-109.5,42.5l-109.5,-42.5z\" fill=\"#aaffff\" 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=\"14.95453\" xml:space=\"preserve\" y=\"82.97727\">B<\/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=\"138.95453\" xml:space=\"preserve\" y=\"24.97727\">A<\/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=\"259.95453\" xml:space=\"preserve\" y=\"81.97727\">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=\"138.95453\" xml:space=\"preserve\" y=\"143.97726\">D<\/text> <\/g> <\/svg><\/span><\/p>Vì BACD là hình thoi nên b\u1ed1n c\u1ea1nh c\u1ee7a nó b\u1eb1ng nhau.<\/p>Ch\u1ecdn A.<\/strong> AB = BD = CD = CA<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-25 08:22:14","option_type":"txt","len":2}]}