Math Geometry Problems, Online Education

 Problem 173. Quadrilateral with Midpoints, Triangles, Areas.

In the figure below, ABCD is a quadrilateral with E, and F, midpoints of BC, and AD respectively. Lines EA, ED, FB and FC determine the shaded regions of areas S1, S2, S3, and S4. Prove that S1 + S2 = S3 + S4. View or post a solution.

Elearning 173: Quadrilateral area


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