# Geometry Problem 1278

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### 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.

See also:

Geometry Problems

Visual Index

Open Problems

All Problems

Triangles

Square

Midpoint

Congruence

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