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Cross's Theorem


	Construct squares on the sides of the triangle ABC. Join the outward vertices of consecutive squares to form three new triangles. Then all four triangles have the same area.


	Contributed by: Jay Warendorff

For more information see Cross's Theorem.

Square (Wolfram MathWorld)

Triangle (Wolfram MathWorld)

"Cross's Theorem" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/CrosssTheorem/

Contributed by: Jay Warendorff

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