Các câu hỏi tương tự
cho hinh tam giac ABC co day BC bang 7.2 cm va chieu cao AH bang 4cm tinh do dai BH biet dien tich tam giac AHB bang 25% dien tich tam giac ABC
Cho hinh tam giac ABC co day BC dai 2cm.Nguoi ta keo dai day BC ve phia C them mot doan CD thi dien tich tam giac ABD= 3/2 dien tich tam giac ABC. Tinh do dai CD
cho hinh tam giac abc , canh bc co do dai 9cm.Keo dai canh bc ve phia b tren do lay diem d sao cho bd co do dai 6cm .Tinh dien tich hinh tam giac abc ,biet dien tich hinh tam giac abd la 18cm vuong.
tam giac abc co do dai canh day bang 36 cm ,chieu cao bang 75%do dai day .tinh dien tich cua tam giac abc
Cho tam giac ABC . Keo dai canh day BC ve phia C mot d9an thang dai 5, 2 cm thi dien tich tang them 65cm vuong . Biet d8en tich tam giac ABC luc dau la 187, 5m vuong . Tinh canh day BC luc dau
Cho tam giac ABC co dien tich la 120 cm 2 . Keo dai canh day BC them mot doan CD = 5 cm . Noi AD biet dien tich ABD = 150 cm 2. Tinh do dai canh day BC
cho hinh tam giac abc co do dai day bc 20 cm chieu cao ah la 12 cm goi m la diem trung tam cua canh day bc tinh dien tich cau hinh tam giac ABM
cho hinh tam giac abc co do dai day bc =18 cm chieu cao ah=12cm . tinh dien tich hinh tam giac abc va adc biet bd= 2/3 bc
tam giac ABC co dien tich 559 cm vuong,canh day BC co do dai la 43 cm,Hoi neu keo dai canh BC them 7 cm thi duoc mot tam giac moi co dien tich hon dien tich tam giac ABC la bao nhieu ?