Quan hệ đường vuông góc và đường xiên

Home Toán lớp 7 - tập 2 Chương 9: Quan hệ giữa các yếu tố trong một tam giác Bài 32: Quan hệ đường vuông góc và đường xiênBài tập cơ bản

{"common":{"save":0,"post_id":"5833","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8631","post_id":"5833","mon_id":"1158532","chapter_id":"1158662","question":"T\u1eeb \u0111i\u1ec3m A n\u1eb1m ngoài \u0111\u01b0\u1eddng th\u1eb3ng d, k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vuông góc v\u1edbi d t\u1ea1i H. \u0110o\u1ea1n th\u1eb3ng AH \u0111\u01b0\u1ee3c g\u1ecdi là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><svg height=\"150\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" id=\"canvas_background\" width=\"202\" 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_10\"> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(90 60.153121948242195,61) \" x1=\"16\" x2=\"104.30625\" y1=\"61\" y2=\"61\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"0.30625\" x2=\"212.30625\" y1=\"105.2375\" y2=\"105\"><\/line> <rect fill=\"none\" fill-opacity=\"null\" height=\"10\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"10\" x=\"60.30625\" y=\"95.2375\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"19.30625\" xml:space=\"preserve\" y=\"25.2375\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"50.30625\" xml:space=\"preserve\" y=\"129.2375\">H<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"3.30625\" xml:space=\"preserve\" y=\"97.2375\">d<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(60 85.8062515258789,60) \" x1=\"34.30625\" x2=\"137.30625\" y1=\"60\" y2=\"60\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"111.30625\" xml:space=\"preserve\" y=\"126.2375\">M<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","B.<\/strong> \u0111\u01b0\u1eddng xiên k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","C.<\/strong> \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb \u0111i\u1ec3m H \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","D.<\/strong> \u0111\u01b0\u1eddng th\u1eb3ng k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d"],"correct":"1","level":"1","hint":"","answer":"T\u1eeb \u0111i\u1ec3m A n\u1eb1m ngoài \u0111\u01b0\u1eddng th\u1eb3ng d, k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vuông góc v\u1edbi d t\u1ea1i H. \u0110o\u1ea1n th\u1eb3ng AH \u0111\u01b0\u1ee3c g\u1ecdi là<\/p>A.<\/strong> \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-03 02:18:24","option_type":"txt","len":3},{"id":"8633","post_id":"5833","mon_id":"1158532","chapter_id":"1158662","question":"T\u1eeb \u0111i\u1ec3m A n\u1eb1m ngoài \u0111\u01b0\u1eddng th\u1eb3ng d, k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vuông góc v\u1edbi d t\u1ea1i H. L\u1ea5y m\u1ed9t \u0111i\u1ec3m M n\u1eb1m trên d (M khác H), k\u1ebb \u0111o\u1ea1n th\u1eb3ng AM. \u0110o\u1ea1n th\u1eb3ng AM g\u1ecdi là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><svg height=\"150\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" id=\"canvas_background\" width=\"202\" 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_10\"> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(90 60.153121948242195,61) \" x1=\"16\" x2=\"104.30625\" y1=\"61\" y2=\"61\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"0.30625\" x2=\"212.30625\" y1=\"105.2375\" y2=\"105\"><\/line> <rect fill=\"none\" fill-opacity=\"null\" height=\"10\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"10\" x=\"60.30625\" y=\"95.2375\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"19.30625\" xml:space=\"preserve\" y=\"25.2375\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"50.30625\" xml:space=\"preserve\" y=\"129.2375\">H<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"3.30625\" xml:space=\"preserve\" y=\"97.2375\">d<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(60 85.8062515258789,60) \" x1=\"34.30625\" x2=\"137.30625\" y1=\"60\" y2=\"60\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"111.30625\" xml:space=\"preserve\" y=\"126.2375\">M<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","B.<\/strong> \u0111\u01b0\u1eddng xiên k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","C.<\/strong> \u0111\u01b0\u1eddng xiên k\u1ebb t\u1eeb \u0111i\u1ec3m M \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d","D.<\/strong> \u0111\u01b0\u1eddng th\u1eb3ng k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d"],"correct":"2","level":"1","hint":"","answer":"T\u1eeb \u0111i\u1ec3m A n\u1eb1m ngoài \u0111\u01b0\u1eddng th\u1eb3ng d, k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vuông góc v\u1edbi d t\u1ea1i H. L\u1ea5y m\u1ed9t \u0111i\u1ec3m M n\u1eb1m trên d (M khác H), k\u1ebb \u0111o\u1ea1n th\u1eb3ng AM. \u0110o\u1ea1n th\u1eb3ng AM g\u1ecdi là B.<\/strong> \u0111\u01b0\u1eddng xiên k\u1ebb t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng d<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-03 02:21:03","option_type":"txt","len":3},{"id":"8635","post_id":"5833","mon_id":"1158532","chapter_id":"1158662","question":"Trong các \u0111\u01b0\u1eddng xiên và \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb m\u1ed9t \u0111i\u1ec3m n\u1eb1m ngoài m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng \u0111ó thì \u0111\u01b0\u1eddng vuông góc là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["A.<\/strong> \u0111\u01b0\u1eddng dài nh\u1ea5t","B.<\/strong> \u0111\u01b0\u1eddng ng\u1eafn nh\u1ea5t"],"correct":"2","level":"1","hint":"","answer":"Trong các \u0111\u01b0\u1eddng xiên và \u0111\u01b0\u1eddng vuông góc k\u1ebb t\u1eeb m\u1ed9t \u0111i\u1ec3m n\u1eb1m ngoài m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ebfn \u0111\u01b0\u1eddng th\u1eb3ng \u0111ó thì \u0111\u01b0\u1eddng vuông góc là B.<\/strong> \u0111\u01b0\u1eddng ng\u1eafn nh\u1ea5t<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-03 02:26:18","option_type":"txt","len":2}]}