Đo góc, đơn vị đo góc

Home Lớp 4 Toán lớp 4 - Sách Kết nối tri thức Bài 7: Đo góc, đơn vị đo gócBài tập nâng cao

{"common":{"save":0,"post_id":"6758","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"928","post_id":"6758","mon_id":"1159012","chapter_id":"1159018","question":"Trong hình có bao nhiêu góc có \u0111\u1ec9nh là A?<\/p><svg height=\"150\" width=\"190\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" id=\"canvas_background\" width=\"192\" 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_13\"> <g id=\"svg_8\"> <path d=\"m24.22999,77.18375l66,-49l66,49l-66,49l-66,-49z\" fill=\"#ffffff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"91\" x2=\"91\" y1=\"28.25\" y2=\"127.25\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"84\" xml:space=\"preserve\" y=\"20.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"8\" xml:space=\"preserve\" y=\"79.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"77\" xml:space=\"preserve\" y=\"144.25\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"160\" xml:space=\"preserve\" y=\"84.25\">D<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> 3 góc","B.<\/strong> 2 góc","C.<\/strong> 1 góc","D.<\/strong> 0 góc"],"correct":"1","level":"3","hint":"","answer":"Có 3 góc có \u0111\u1ec9nh A là<\/p>  Góc \u0111\u1ec9nh A, c\u1ea1nh AB, AC.<\/p>  Góc \u0111\u1ec9nh A, c\u1ea1nh AB, AD.<\/p>  Góc \u0111\u1ec9nh A, c\u1ea1nh AC, AD.<\/p>Ch\u1ecdn   A.<\/strong> 3 góc.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-12 03:12:16","option_type":"txt","len":1},{"id":"931","post_id":"6758","mon_id":"1159012","chapter_id":"1159018","question":"Ch\u1ecdn câu sai<\/strong>.<\/p><svg height=\"200\" width=\"230\"> <g><title><\/title><rect fill=\"#fff\" height=\"202\" id=\"canvas_background\" width=\"232\" 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_21\"> <g id=\"svg_12\"> <g id=\"svg_6\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"82\" x2=\"207\" y1=\"31.25\" y2=\"31.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"82\" x2=\"21\" y1=\"30.25\" y2=\"103.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"207\" x2=\"152\" y1=\"31.25\" y2=\"175.25001\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"22\" x2=\"153\" y1=\"102.25\" y2=\"175.25\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"26.25\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"208\" xml:space=\"preserve\" y=\"30.25\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"149\" xml:space=\"preserve\" y=\"192.25\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7\" xml:space=\"preserve\" y=\"118.25\">D<\/text> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"72\" xml:space=\"preserve\" y=\"52.25\">130<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"98\" xml:space=\"preserve\" y=\"43.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"173\" xml:space=\"preserve\" y=\"55.25\">70<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"190\" xml:space=\"preserve\" y=\"45.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"133\" xml:space=\"preserve\" y=\"161.25\">80<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"150\" xml:space=\"preserve\" y=\"151.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"33\" xml:space=\"preserve\" y=\"103.25\">80<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"50\" xml:space=\"preserve\" y=\"93.25\">o<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> Góc \u0111\u1ec9nh A, c\u1ea1nh AB, AD b\u1eb1ng 130°.","B.<\/strong> Góc \u0111\u1ec9nh B, c\u1ea1nh BA, BC b\u1eb1ng 80°.","C.<\/strong> Góc \u0111\u1ec9nh C, c\u1ea1nh CB, CD b\u1eb1ng 80°.","D.<\/strong> Góc \u0111\u1ec9nh D, c\u1ea1nh DC, DA b\u1eb1ng 80°."],"correct":"2","level":"3","hint":"","answer":"Câu sai <\/strong>là   B.<\/strong> Góc \u0111\u1ec9nh B, c\u1ea1nh BA, BC b\u1eb1ng 80°.<\/span><\/p>(Góc \u0111\u1ec9nh B, c\u1ea1nh BA, BC b\u1eb1ng 70°).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-15 02:21:14","option_type":"txt","len":2},{"id":"933","post_id":"6758","mon_id":"1159012","chapter_id":"1159018","question":"Góc nào trong hình có s\u1ed1 \u0111o b\u1eb1ng 70°?<\/p><svg height=\"200\" width=\"230\"> <g><title><\/title><rect fill=\"#fff\" height=\"202\" id=\"canvas_background\" width=\"232\" 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_21\"> <g id=\"svg_12\"> <g id=\"svg_6\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"82\" x2=\"207\" y1=\"31.25\" y2=\"31.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"82\" x2=\"21\" y1=\"30.25\" y2=\"103.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"207\" x2=\"152\" y1=\"31.25\" y2=\"175.25001\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"22\" x2=\"153\" y1=\"102.25\" y2=\"175.25\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"71\" xml:space=\"preserve\" y=\"26.25\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"208\" xml:space=\"preserve\" y=\"30.25\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"149\" xml:space=\"preserve\" y=\"192.25\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7\" xml:space=\"preserve\" y=\"118.25\">D<\/text> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"72\" xml:space=\"preserve\" y=\"52.25\">130<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"98\" xml:space=\"preserve\" y=\"43.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"173\" xml:space=\"preserve\" y=\"55.25\">70<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"190\" xml:space=\"preserve\" y=\"45.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"133\" xml:space=\"preserve\" y=\"161.25\">80<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"150\" xml:space=\"preserve\" y=\"151.25\">o<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"33\" xml:space=\"preserve\" y=\"103.25\">80<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"50\" xml:space=\"preserve\" y=\"93.25\">o<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> Góc \u0111\u1ec9nh A, c\u1ea1nh AB, AD.","B.<\/strong> Góc \u0111\u1ec9nh C, c\u1ea1nh CB, CD.","C.<\/strong> Góc \u0111\u1ec9nh B, c\u1ea1nh BA, BC.","D.<\/strong> Góc \u0111\u1ec9nh D, c\u1ea1nh DC, DA."],"correct":"3","level":"3","hint":"","answer":"Ch\u1ecdn  C.<\/strong> Góc \u0111\u1ec9nh B, c\u1ea1nh BA, BC.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-15 02:24:09","option_type":"txt","len":2}]}