Difference between revisions of "Angle bisector"
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| − | An '''angle bisector''' is a line or ray that intersects an angle and evenly divides it into two [[congruent]] angles. | + | An (interior) '''angle bisector''' (also called an '''internal angle bisector''') is a line or ray that intersects an angle and evenly divides it into two [[congruent]] angles. |
[[category:Plane Geometry]] | [[category:Plane Geometry]] | ||
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| + | The angle bisector theorem concerns the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle. It equates the relative lengths of the segments to the relative lengths of the other two sides of the triangle. | ||
Revision as of 13:52, October 18, 2011
An (interior) angle bisector (also called an internal angle bisector) is a line or ray that intersects an angle and evenly divides it into two congruent angles.
The angle bisector theorem concerns the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle. It equates the relative lengths of the segments to the relative lengths of the other two sides of the triangle.