Triangle Transformation Principle

The triangle transformation principle gives rules for transforming equations involving an incircle to equations about excircles.

See also

Excircles, Incircle

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Johnson, R. A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston, MA: Houghton Mifflin, pp. 191-192, 1929.

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Triangle Transformation Principle

Cite this as:

Weisstein, Eric W. "Triangle Transformation Principle." From MathWorld--A Wolfram Web Resource.

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