Ôn tập chương 8 Những hình hình học cơ bản

Home Lớp 6 Toán lớp 6 - Sách kết nối tri thức Ôn tập chương 8Bài tập trung bình

{"common":{"save":0,"post_id":"4682","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7393","post_id":"4682","mon_id":"1158113","chapter_id":"1158164","question":"Trong các kh\u1eb3ng \u0111\u1ecbnh sau, có bao nhiêu kh\u1eb3ng \u0111\u1ecbnh \u0111úng<\/strong>?<\/p>1. N\u1ebfu M n\u1eb1m gi\u1eefa A và B sao cho MA = MB thì M là trung \u0111i\u1ec3m c\u1ee7a \u0111o\u1ea1n th\u1eb3ng AB.<\/p>2. Góc xOy là hình g\u1ed3m hai tia chung g\u1ed1c Ox và Ot<\/p>3. Góc có s\u1ed1 \u0111o b\u1eb1ng 60$^0$<\/span> là góc vuông<\/p>4. Khi Oz và Ot là hai tia \u0111\u1ed1i nhau thì ta có góc b\u1eb9t zOt<\/p>","options":["3","1","2"],"correct":"3","level":"2","hint":"\u0110\u1ebfm xem có bao nhiêu kh\u1eb3ng \u0111\u1ecbnh \u0111úng.<\/p>","answer":"Xét các câu kh\u1eb3ng \u0111\u1ecbnh:<\/p>1. N\u1ebfu M n\u1eb1m gi\u1eefa A và B sao cho MA = MB thì M là trung \u0111i\u1ec3m c\u1ee7a \u0111o\u1ea1n th\u1eb3ng AB   \u0110úng<\/span><\/p>2. Góc xOy là hình g\u1ed3m hai tia chung g\u1ed1c Ox và Ot        Sai<\/span> vì góc xOy là hình g\u1ed3m hai tia chung g\u1ed1c Ox và Oy<\/strong><\/p>3. Góc có s\u1ed1 \u0111o b\u1eb1ng 60$^0$<\/span> là góc vuông    Sai<\/span> vì góc có s\u1ed1 \u0111o b\u1eb1ng 90$^0$<\/span><\/strong> là góc vuông<\/p>4. Khi Oz và Ot là hai tia \u0111\u1ed1i nhau thì ta có góc b\u1eb9t zOt      \u0110úng<\/span><\/p>V\u1eady có hai kh\u1eb3ng \u0111\u1ecbnh \u0111úng.<\/p>\u0110áp án là 2 (ngôi sao ch\u1ee9a s\u1ed1 2)<\/strong><\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"3","date":"2021-09-09 03:22:34","option_type":"txt","len":0},{"id":"7395","post_id":"4682","mon_id":"1158113","chapter_id":"1158164","question":"Cho hình vuông ABCD c\u1ea1nh 8,6 cm. Bi\u1ebft M là trung \u0111i\u1ec3m c\u1ea1nh AB, tính \u0111\u1ed9 dài các \u0111o\u1ea1n th\u1eb3ng MA và MB.<\/p><svg height=\"160\" width=\"180\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"182\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_7\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"128\" id=\"svg_1\" width=\"124.00001\" x=\"24.5\" 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y=\"21.5\"><\/image> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.9\" xml:space=\"preserve\" y=\"26\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"154.9\" xml:space=\"preserve\" y=\"25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"156.9\" xml:space=\"preserve\" y=\"148\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.9\" xml:space=\"preserve\" y=\"153\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"77.9\" xml:space=\"preserve\" y=\"19\">M<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2\" x1=\"54.9\" x2=\"51.9\" y1=\"23.85\" y2=\"30.85\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2\" x1=\"122.9\" x2=\"119.9\" y1=\"24.85\" y2=\"31.85\"><\/line> <\/g> <\/svg><\/span><\/p>","options":["8,6 cm","4,3 cm","4,2 cm"],"correct":"2","level":"2","hint":"MA = MB = $\\dfrac{AB}{2}$<\/span><\/p>","answer":"Vì hình vuông ABCD có c\u1ea1nh 8,6 cm nên c\u1ea1nh AB = 8,6 cm.<\/p>Vì M là trung \u0111i\u1ec3m c\u1ea1nh AB nên MA = MB = $\\dfrac{AB}{2}$<\/span> = $\\dfrac{8,6}{2}$<\/span> = 4,3(cm)<\/p>V\u1eady MA = MB = 4,3 cm<\/strong><\/p>Ch\u1ecdn \u0111áp án 4,3 cm.<\/span><\/strong><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"3","date":"2021-09-09 03:28:04","option_type":"txt","len":0},{"id":"7396","post_id":"4682","mon_id":"1158113","chapter_id":"1158164","question":"D\u1ef1a vào hình v\u1ebd sau, hãy cho bi\u1ebft có bao nhiêu b\u1ed9 3 \u0111i\u1ec3m th\u1eb3ng hàng?<\/p><svg height=\"130\" width=\"270\"> <g><title><\/title><rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"272\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"11.9\" x2=\"270\" y1=\"57.85\" y2=\"58\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(25 123.40000152587896,64.92500305175783) \" x1=\"6.9\" x2=\"239.9\" y1=\"64.85\" y2=\"65\"><\/line> <ellipse cx=\"35.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_3\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"108.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_4\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"249.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_5\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"199.9\" cy=\"100.35\" fill=\"#ff0000\" id=\"svg_6\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"36.9\" cy=\"24.35\" fill=\"#ff0000\" id=\"svg_7\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"167.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_8\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"40.9\" xml:space=\"preserve\" y=\"18.85\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"105.9\" xml:space=\"preserve\" y=\"47.85\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"186.9\" xml:space=\"preserve\" y=\"119.85\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"29.9\" xml:space=\"preserve\" y=\"82.85\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"161.9\" xml:space=\"preserve\" y=\"48.85\">E<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"243.9\" xml:space=\"preserve\" y=\"51.85\">F<\/text> <\/g> <\/svg><\/span><\/p>","options":["5","3","4","6"],"correct":"1","level":"2","hint":"Ba \u0111i\u1ec3m th\u1eb3ng hàng là ba \u0111i\u1ec3m cùng thu\u1ed9c m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\u0110\u1ebfm xem trên hình v\u1ebd có bao nhiêu b\u1ed9 ba \u0111i\u1ec3m th\u1eb3ng hàng.<\/p>","answer":"D\u1ef1a vào hình v\u1ebd ta th\u1ea5y có 5<\/strong> b\u1ed9 ba \u0111i\u1ec3m th\u1eb3ng hàng là:<\/p>A, B, C<\/span>           D, B, E   <\/span>      D, B, F    <\/span>      B, E, F  <\/span>       D, E, F<\/span><\/p><svg height=\"130\" width=\"270\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"272\" 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> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"11.9\" x2=\"270\" y1=\"57.85\" y2=\"58\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(25 123.40000152587896,64.92500305175783) \" x1=\"6.9\" x2=\"239.9\" y1=\"64.85\" y2=\"65\"><\/line> <ellipse cx=\"35.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_3\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"108.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_4\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"249.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_5\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"199.9\" cy=\"100.35\" fill=\"#ff0000\" id=\"svg_6\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"36.9\" cy=\"24.35\" fill=\"#ff0000\" id=\"svg_7\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"167.9\" cy=\"58.35\" fill=\"#ff0000\" id=\"svg_8\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"40.9\" xml:space=\"preserve\" y=\"18.85\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"105.9\" xml:space=\"preserve\" y=\"47.85\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"186.9\" xml:space=\"preserve\" y=\"119.85\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"29.9\" xml:space=\"preserve\" y=\"82.85\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"161.9\" xml:space=\"preserve\" y=\"48.85\">E<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"243.9\" xml:space=\"preserve\" y=\"51.85\">F<\/text> <\/g> <\/svg><\/span><\/p>V\u1eady \u0111áp án \u0111úng là 5<\/strong><\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"3","date":"2021-09-09 03:34:19","option_type":"txt","len":0}]}