Triangle and Squares 1. Level: High School, SAT Prep, College geometry

Squares ABDE and BCFG are constructed on the sides AB and BC of a triangle ABC, Prove the following:
1. CD and AG are congruent and perpendicular.
2. CD, AG, and EF are concurrent in P.
3. EF is bisector of  angle GPC.

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Last updated: June 29, 2007