Triangle with Squares 0: Two squares. Level: High School, SAT Prep, College geometry.

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

See also:
Triangle with Square 1 Two squares
Triangle with Squares 2 Two squares
Triangle with Squares 3 Three squares
Triangle with Squares 4:Finsler-Hadwiger Theorem,
Triangle with Square 5 Two squares, altitude and median
Triangle with Squares 6 Four squares
Van Aubel's theorem: Quadrilateral with squares
Parallelogram with Squares theorem.

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Last updated: February 13, 2007