Question

Let ABC be an isoceles triangle (AB = AC) and its area is 501cm². BD is the internal bisector of the angle ABC (D ∈ AC), E is a point on the opposite ray of CA such that CE = CB. I is a point on BC such that CI = 1/2 BI. The line EI meets AB at K, BD meets KC at H. Find the area of the triangle AHC.

Answer 1

bái phục giờ vẫn còn thi toán tiếng anh á ghê á nha

thi xog cấp tỉnh là vứt luôn nhác thi lắm luôn