{"common":{"save":0,"post_id":"7984","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10638","post_id":"7984","mon_id":"1159278","chapter_id":"1159333","question":"<p>Trong các hình d\u01b0\u1edbi \u0111ây, có bao nhiêu \u0111a giác \u0111\u1ec1u?<\/p><p><span class=\"svgedit\"><svg height=\"170\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_5\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><path d=\"m15.85999,33.60618l24.45626,0l0,-24.12577l25.08748,0l0,24.12577l24.45626,0l0,24.74846l-24.45626,0l0,24.12577l-25.08748,0l0,-24.12577l-24.45626,0l0,-24.74846z\" fill=\"#ffaa56\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m111,33.33281l27.88371,0l8.61628,-27.88359l8.61629,27.88359l27.88371,0l-22.55836,17.23281l8.61673,27.88359l-22.55837,-17.23328l-22.55836,17.23328l8.61673,-27.88359l-22.55836,-17.23281z\" fill=\"#ffff56\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m69.92432,163.40262l0,0c-27.6118,0 -50.00002,-16.11492 -50.00002,-36c0,-19.88254 22.38822,-36 50.00002,-36l0,0c-15.73597,8.49816 -24.99829,21.8364 -24.99829,36s9.26232,27.49929 24.99829,36z\" fill=\"#ff5656\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m103.39001,137.48661l33.99996,25.59166l34.00004,-25.59166l-12.9868,-41.40834l-42.02636,0l-12.98684,41.40834z\" fill=\"#56ff56\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"45\" xml:space=\"preserve\" y=\"51.58333\">a<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"142\" xml:space=\"preserve\" y=\"52.58333\">b<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"28\" xml:space=\"preserve\" y=\"133.58333\">c<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"129\" xml:space=\"preserve\" y=\"131.58333\">d<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 1.","<strong>B.<\/strong> 2.","<strong>C.<\/strong> 4.","<strong>D.<\/strong> 3."],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 1.<\/span><\/p><p>Các hình a, b, c không là \u0111a giác \u0111\u1ec1u vì các hình này không ph\u1ea3i \u0111a giác l\u1ed3i.<\/p><p>Hình d là hình ng\u0169 giác \u0111\u1ec1u.<\/p><p>V\u1eady có 1 hình \u0111a giác \u0111\u1ec1u.<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"127","test":"0","date":"2025-03-26 08:42:36","option_type":"txt","len":0},{"id":"10639","post_id":"7984","mon_id":"1159278","chapter_id":"1159333","question":"<p>\u0110a giác \u0111\u1ec1u là m\u1ed9t \u0111a giác<\/p>","options":["<strong>A.<\/strong> Có 3 c\u1ea1nh và 3 góc b\u1eb1ng nhau.","<strong>B.<\/strong> Có 7 c\u1ea1nh và 7 góc b\u1eb1ng nhau.","<strong>C.<\/strong> Có các c\u1ea1nh và các góc b\u1eb1ng nhau.","<strong>D.<\/strong> Có 8 c\u1ea1nh và 8 góc b\u1eb1ng nhau."],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> Có các c\u1ea1nh và các<\/span><\/p><p>\u0110a giác \u0111\u1ec1u là m\u1ed9t \u0111a giác có các c\u1ea1nh và các góc b\u1eb1ng nhau góc b\u1eb1ng nhau.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-26 08:43:51","option_type":"txt","len":3},{"id":"10641","post_id":"7984","mon_id":"1159278","chapter_id":"1159333","question":"<p>Các phép quay có th\u1ec3 có v\u1edbi m\u1ed9t \u0111a giác \u0111\u1ec1u tâm O là<\/p>","options":["<strong>A. <\/strong>Phép quay thu\u1eadn chi\u1ec1u và phép quay \u0111\u1ea3o chi\u1ec1u.","<strong>B.<\/strong> Phép quay thu\u1eadn chi\u1ec1u và phép quay ng\u01b0\u1ee3c chi\u1ec1u.","<strong>C.<\/strong> Phép quay xuôi chi\u1ec1u và phép quay \u0111\u1ea3o chi\u1ec1u.","<strong>D.<\/strong> Phép quay xuôi chi\u1ec1u và phép quay ng\u01b0\u1ee3c chi\u1ec1u."],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> Phép quay thu\u1eadn chi\u1ec1u và phép quay ng\u01b0\u1ee3c chi\u1ec1u.<\/span><\/p><p>Các phép quay có th\u1ec3 có v\u1edbi m\u1ed9t \u0111a giác \u0111\u1ec1u tâm O là phép quay thu\u1eadn chi\u1ec1u tâm O và phép quay ng\u01b0\u1ee3c chi\u1ec1u tâm O.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-26 08:45:45","option_type":"txt","len":3}]}