Angle bisector

Revision as of 13:23, 4 December 2007 by 1=2 (talk | contribs)

For an angle $\angle ABC$, the angle bisector of $\angle ABC$ is the line from B such that the angle between this line and $BC$ is equal to the angle between this line and $AB$.

Anglebisector.png

Features of Angle Bisectors

Triangle ABC with incenter I, with angle bisectors (red), incircle (blue), and inradii (green)

In a triangle, the angle bisectors (which are cevians) will all intersect at the incenter of the triangle.

See also

This article is a stub. Help us out by expanding it.

Invalid username
Login to AoPS