Extouch triangle: Difference between revisions

Revision as of 02:18, 23 July 2016

Revision as of 16:01, 25 July 2016

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where <math>K</math>, <math>r</math>, <math>s</math> are the area, radius of the [[incircle]] and [[semiperimeter]] of the original triangle, and <math>a</math>, <math>b</math>, <math>c</math> are the side lengths of the original triangle.

This is the same area as that of the [[intouch triangle]].

==References==