Triangle with Squares 2: 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, O is the intersection of AF and CE, then BO and AC are perpendicular.



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