Thực hành vẽ góc vuông, vẽ đường tròn, hình vuông, hình chữ nhật và vẽ trang trí

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 20: Thực hành vẽ góc vuông, vẽ đường tròn, hình vuông, hình chữ nhật và vẽ trang tríBài tập cơ bản

{"common":{"save":0,"post_id":"6106","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2471","post_id":"6106","mon_id":"1158530","chapter_id":"1158594","question":"Cho hình v\u1ebd sau. Hãy \u0111\u1ecdc tên góc A:<\/p><svg height=\"180\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"282\" 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=\"m37.79452,161.67348l0,-141.44106l201.7646,141.44106l-201.7646,0z\" fill=\"#fff\" 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=\"15.36862\" xml:space=\"preserve\" y=\"161.83359\">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\" style=\"cursor: move;\" text-anchor=\"start\" x=\"15.36862\" xml:space=\"preserve\" y=\"26.54053\">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\" style=\"cursor: move;\" text-anchor=\"start\" x=\"248.45503\" xml:space=\"preserve\" y=\"163.30417\">C<\/text> <rect fill=\"#fff\" fill-opacity=\"null\" height=\"17.42067\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0.5\" width=\"18.38221\" x=\"38.6716\" y=\"143.67763\"><\/rect> <\/g> <\/svg><\/span><\/p>","options":["Góc vuông \u0111\u1ec9nh A","Góc không vuông \u0111\u1ec9nh A"],"correct":"1","level":"1","hint":"","answer":"\u0110áp án \u0111úng là: Góc vuông \u0111\u1ec9nh A<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-18 15:09:00","option_type":"txt","len":2},{"id":"2472","post_id":"6106","mon_id":"1158530","chapter_id":"1158594","question":"N\u1ed1i tên \u0111úng v\u1edbi hình v\u1ebd<\/p>","options":[["1. <svg height=\"130\" width=\"130\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"132\" 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>\n<title><\/title>\n<ellipse cx=\"66\" cy=\"65.69444\" fill=\"#fff\" id=\"svg_1\" rx=\"61.5\" ry=\"60\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <\/g> <\/svg><\/span>","2. <svg height=\"130\" width=\"130\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"132\" 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>\n<title><\/title>\n<path d=\"m11.22227,118.80561l0,-110.8107l109.45935,110.8107l-109.45935,0z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <\/svg><\/span>","3. <svg height=\"130\" width=\"130\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"132\" 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>\n<title><\/title>\n<rect fill=\"#fff\" height=\"114.00001\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"92\" x=\"16.5\" y=\"9.69444\"><\/rect> <\/g> <\/svg><\/span>"],["T\u1ee9 giác","\u0110\u01b0\u1eddng tròn","Tam giác"],["\u0110\u01b0\u1eddng tròn","Tam giác","T\u1ee9 giác"]],"correct":[2,0,1],"level":"1","hint":"","answer":"\u0110áp án \u0111úng là:<\/p>1 - \u0110\u01b0\u1eddng tròn<\/strong><\/span><\/p>2 - Tam giác<\/strong><\/span><\/p>3 -  T\u1ee9 giác<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_img","time":"0","user_id":"129","test":"1","date":"2022-08-18 15:34:06","txt_size":"txt_small"},{"id":"2473","post_id":"6106","mon_id":"1158530","chapter_id":"1158594","question":"Hình v\u1ebd sau có bao nhiêu góc vuông, bao nhiêu góc không vuông?<\/p><svg height=\"180\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"282\" 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=\"m37.79452,161.67348l0,-141.44106l201.7646,141.44106l-201.7646,0z\" fill=\"#fff\" 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=\"15.36862\" xml:space=\"preserve\" y=\"161.83359\">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\" style=\"cursor: move;\" text-anchor=\"start\" x=\"15.36862\" xml:space=\"preserve\" y=\"26.54053\">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\" style=\"cursor: move;\" text-anchor=\"start\" x=\"248.45503\" xml:space=\"preserve\" y=\"163.30417\">C<\/text> <rect fill=\"#fff\" fill-opacity=\"null\" height=\"17.42067\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0.5\" width=\"18.38221\" x=\"38.6716\" y=\"143.67763\"><\/rect> <\/g> <\/svg><\/span><\/p>","options":["a) <\/strong>1 góc vuông và 2 góc không vuông","b) <\/strong>1 góc vuông và 1 góc không vuông","c) <\/strong>2 góc vuông và 1 góc không vuông","d)<\/strong> 3 góc không vuông"],"correct":"1","level":"1","hint":"","answer":"Hình bên có 1 góc vuông \u0111\u1ec9nh A và 2 góc không vuông \u0111\u1ec9nh B, \u0111\u1ec9nh C<\/p>\u0110áp án \u0111úng là: a) 1 góc vuông và 2 góc không vuông<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-18 15:36:22","option_type":"txt","len":3}]}