Tangent Circle and Arbelos


	The area of the circle determined by the tangent line to the two internal circles equals the area of the arbelos (the upper half of the light green area).


	Contributed by: Sándor Kabai

Arbelos (Wolfram MathWorld)

"Tangent Circle and Arbelos" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TangentCircleAndArbelos/

Contributed by: Sándor Kabai

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