Các câu hỏi tương tự
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 bc = 28m neu keo dai day bc ve phia c them mot doan cd = 7m thi dien tich tang them 84m2 tinh dien tich hinh tam giac abc?
Cho tam giac ABC co canh BC bang 20cm. Neu keo dai BC mot doan CE bang 6cm, do do dien tich tam giac ABE lon hon dien tich tam giac ABC la 48cm2. Tinh chieu cao cua tam giac ABC
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 ?
tam giac abc co dien tich 559 cm vuong, canh day co do dai 43cm. Hoi neu keo dai canh bc them 7cm thi duoc mot tam giac moi co dien tich hon dien tich tam giac abc la bao nhieu
cho tam giac abc co canh ab bang 62 cm. Neu keo dai canh bc mot doan cd dai bang 30cm thi ta co tam giac abd la tam giac can voi ab bang ad ca tam giac acd co chieu cao ke tu c bang 18cm. biet chu vi cua tam giac abd bang 206cm.
a) tinh dien tich tam giac acd.
b)tinh dien tich tam giac abc
Cho tam giac ABC, canh BC co do dai la 32cm. Biet rang neu keo dai canh BC them 4cm thi dien tich tam giac ABC se tang them 52cm. Tim dien tich tam giac ABC? ( bat buoc phai ve hinh).
cho tam giac abc co dien tich la 336m2 va co day bc la 28m nay nguoi ta mo rong them bang cach keo dai day bc ve phia c mot doan cd nen dien tich tang them 84m2 tinh doan cd?
Cho tam giac ABC co dien tich bang 599 cm2. Canh day BC co do dai la 43cm. Hoi neu keo dai canh BC them 7cm thi duoc tam giac moi co dien tich hon dien tich tam giac ABC la bao nhieu? ( PHAI VE HINH)