Category:Definitions/Excenters of Triangles

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Excircle-of-Triangle.png

This category contains definitions related to Excenters of Triangles.
Related results can be found in Category:Excenters of Triangles.


The center of an excircle of a triangle is called an excenter of the triangle.

In the above diagram, $I_a$ is the excenter of $\triangle ABC$ with respect to $a$.