Geometry Problems, Online Education

 Problem 147. Quadrilateral, Area, Midpoints, Triangle.

In the figure below, ABCD is a quadrilateral of area S. E, F, and G are the midpoints of the sides AB, BC, and CD respectively. If S1 is the area of the triangle EFG, prove that: Quadrilateral Area Proof. View or post a solution.

Quadrilateral Area, Midpoints



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