Visual illustration
Let ABC be a triangle of sides a, b, c and semiperimeter s. Represent s, (s-a), (s-b), (s-c).
See complete interactive proof with animation and key concepts at:
www.gogeometry.com/semiperimeterexcircles1.htm
Level: High School, SAT Prep, College geometry
Post your solutions or ideas in the comments.
Thursday, August 21, 2008
Semiperimeter and excircles of a triangle
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