Question

[luong thi ngoc ha]

1. Ch o tam giac abc . Tren BC lay BN =1/2 BC . Tren AN lay AE = 2/3  AN . Noi BE,CE.

a. Chung to dien tich BAE = dien tich AEC = dien tich BEC

b. Tinh dien tich ABC biet dien tich BEC = 150 cm 2

c. Keo dai BE cot AC tai Q. So sanh AQ va QC.

2. cho tam giac ABC. Hay chia tam giac ABC thanh 3 phan co dien tich bang nhau ( Ve hinh minh hoa ).

Answer 1

[luong thi ngoc ha]

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