Texas Instruments
Texas Instruments: Bisectors
Students investigate the Perpendicular Bisector Theorem and examine its converse. They also explore the Angle Bisector Theorem.
CK-12 Foundation
Ck 12: Geometry: Angle Bisectors in Triangles
[Free Registration/Login may be required to access all resource tools.] Apply angle bisector properties.
CK-12 Foundation
Ck 12: Geometry: Proportions With Angle Bisectors
[Free Registration/Login may be required to access all resource tools.] Apply the fact that an angle bisector divides a triangle proportionally.
CK-12 Foundation
Ck 12: Geometry: Bisectors, Medians, Altitudes Study Guide
This study guide on bisectors, medians, and altitudes covers key vocabulary, different theorems, and facts about the altitude and triangles. It is available for download with free registration.