Angle
Bisector
A line or ray that
divides an angle in half. For polygons,
an angle bisector is a line that bisects an
interior angle.
Note: The angle bisectors of a triangle are concurrent and
intersect at the incenter.
Angle bisector of ∠ABC
(Click on the image or here to launch an interactive java applet)
See
also
Incircle, centers of a triangle
