Definition:Incircle of Triangle

Incircle
The incircle of a triangle is the circle tangent to each side of the triangle. This circle is said to be inscribed in the triangle.

Incenter
The center of an incircle is called an incenter.

Inradius
The radius of an incircle is called an inradius.

Compare To
Compare incircles to circumcircles and excircles.