Inscribe a circle in a triangle.

From point of intersection of the angle bisectors, a circle may be drawn which is tangent to the three sides of the triangle.[br][br]The common point is called the [i]incenter[/i] of a triangle.
Malfatti's Problem: [url]http://www.geogebratube.org/material/show/id/32233[/url]

Information: Inscribe a circle in a triangle.