Take notes as you read this section and watch the videos to learn about angle bisectors in triangles. This section provides examples of how to find the missing angles by using properties of an angle bisector. Then, complete the review exercises. These exercises will provide you with the opportunity to apply the properties of angle bisectors.

Click http://www.ck12.org/geometry/Angle-Bisectors-in-Triangles/lesson/Angle-Bisectors-in-Triangles-Intermediate/ link to open resource.