Shearing 7

Author:Irina Boyadzhiev

Suppose that in a trapezoid ABCD AB andCD are parallel. Let E be the point where the diagonals meet. Explain why triangles AED and BEC have the same area.

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apec
z`]]
探究長方形對角線上的正方形數目
centripetal force
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

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