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,canh BC co do dai 32cm.Biet rang neu keo dai canh BC them 4cm thi dien tich tam giac ABC se tang them 52cm vuong.tim dien tich tam giac ABC.

cho hình tam giác abc có diện tích bằng 150 cm​^2.biet neu keo dai cach day bc them 5cm thi dien tich tang 37,5 cm².tinh do dai canh day bc

cho tam giac abc neu keo dai canh day bc mot doan  cd sao cho cd = 1/3 bc thi dien tich tang them 37,5 cm2 tinh dien tich tam giac abc

cho tam giac abc neu keo dai canh day bc mot doan cd sao cho cd = 1/3 bc thi dien tich tang them 37,5 cm vuong tinh dien tich tam giac abc

cho tam giac ABC co so do canh BC bang 32 cm neu keo dai doan BC them 4 cm thi dien tich tam giac se tang them 54cm2,Hoi tam giac  abc co dien tich bang bao nhieu cm2.

cho tam giac abc neu keo dai day canh day bc mot doan cd  sao cho cd = 1/3 bc thi dien tich tang them 37,5 cm2 tinh dien tich tam giac abc

cho tam giac abc vuong tai a . Neu giu nguyen canh ab va keo dai canh ac 2cm thi dien tich tang them 6cm . Neu giu nguyen canh ac va giam bot canh ab 2cm thi dien tich tam giac giam di 4cm . tinh dien tich abc

cho tam giac ABC co dien tich la 150 ^{m vuong neu} keo dai canh day BC (ve phia B) them 5 m thi dien tich tang them 30m vuong tinh canh day BC