Geometry Problem 1278

Elements: Square, 3-4-5 Right Triangle, Midpoint.

In a square ABCD, E is the midpoint of AB and F midpoint of BC. AF cuts DE at G. Prove that the triangle FGD is a 3-4-5 triangle.
 

Geometry Problem 1278: Square, 3-4-5 Right Triangle, Midpoint



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