Dtích ABC=3xDtích AMN=108
Dtích BMNC=108-36=72
Dtích ABC=3xDtích AMN=108
Dtích BMNC=108-36=72
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,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 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 co dien tich 160cm2 m la trung diem canh ab tren canh ac n lay sao cho an bang 1/4 ac tinh dien tich 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 = 15cm AC = 20cm trên canh AB lay diem M sao cho AM = 7,5 tren canh AC lay diem N sao cho AN = 15cm noi M voi N tinh dien tich tam giac ABC biet dien tich tam giac AMN =36cm2
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 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 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