powered by Google (TM)
index: click on a letter
A B C D E
F G H  I  J
K L M N O
P Q R S T
U V W X Y
Z A to Z index
index: subject areas
numbers & symbols
sets, logic, proofs
geometry
algebra
trigonometry
advanced algebra
& pre-calculus
calculus
advanced topics
probability &
statistics
real world
applications
multimedia
entries
about mathwords  
website feedback  


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

 


  this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
All rights reserved
NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes