cho tam giac ABC. Tren canh AB lay diem I sao cho AB = 2AI, tren canh AC lay diem J sao cho AC= 3CJ. dien tich tam giac ABC gap may lan dien tich tam giac BIJ

cho AABC tren canh Ab lay diem I tren canh BC lay diem j sao cho AB = 2AI AC = 3cj dien tich aabc gap may lan dien tich abc

cho tam giac ABC. tren canh ab lay diem m ,tren canh ac lay diem n sao cho am = 1/3ab, nc =2/3 ac.dien tich tam giac abc gap dien tich tam giac amn bao nhieu lan

Cho tam giac ABC . Tren canh AB lay diem M , tren canh AC lay diem N sao cho AM = \(\frac{1}{3}\)AB , NC = \(\frac{2}{3}\)AC . Dien tich tam giac ABC gap may lan dien tich tam giac AMN ?

cho tam giac abc tren canh ab lay diem m,tren canh ac lay diem n so cho am bang 1/3 ab,nc=2/3 ac.hoi dien tich tam giac abc gap may lan tam giac amn

cho tam giac abcd tren canh ab lay diem m tren canh ac lay diem n sao cho an=1/3ac nc2/3ac dien tich abc gap dien  tam giac anm so lan la

cho tam giac ABC lay diem M tren canh AB sao cho AM=1/3 AB lay diem N tren canh AC sao cho AN = 2/3 AC tren canh BC lay diem P sao cho CP=1/3 BC tinh dien tich tu giac BMNP biet dien tich tam giac ABC la 108 cm2

cho tam giac ABC tren canh AB  lay diem M tren canh AC lay diem N sao cho AM=1/3AB NC=2/3AC dien tich tam giac ABC gap dien tich AMN so kan la

cho tam giac abc .tren canh ab lay diem m sao cho am gap ruoi mb tren canh ac lay diem n sao cho an bang 1 nua ac.biet dien tich tam giac amn la 36 cm vuong.tinh dien tinh tu giac bmnc