Why same areas?

主題：面積

Given a parallelogram ABDC, E is a point on the line BD, and both lines AB and CE extend to meet at F. Prove that area of triangle ABE = area of triangle EDF. (Hint: Try to drag point E to point B as a diagonal BC)

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幾何作業
題 2
判斷球體 1
體積的量度 2
圆跟踪案例学习

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球形
幾何
函數
線性函數
矩形

Why same areas?

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