Math Geometry Problems, Online Education


 Problem 171. Trapezoid, Midpoints, Triangles, Areas.

In the figure below, ABCD is a trapezoid with AD parallel to BC and E, F, and G midpoints of AB, BC, and AD respectively. Lines EC, ED, and FG determine the shaded regions of areas S, S1, and S2. Prove that S = S1 + S2. View or post a solution.

Trapezoid, Triangle, Midpoint, Areas


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