Triangle and Squares 14. Level: High School, SAT Prep, College geometry

Squares ABDE, BCFG, and ACHJ are constructed internally on the sides AB, BC, and AC of a triangle ABC. O is the center of the square ACHJ and M is the midpoint of EF. Prove the following:

1. AMCO is a square.
2. MD and MG are congruent and perpendicular.

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Last updated: June 29, 2007