Angle Bisector Theorem
- Author:
- Juliette
If a point is on the bisector of an angle, then it must be equidistant from the sides of the angle
Statements | Reasons |
line h is the angle bisector of angle B | Given |
D is a point along the angle bisector | Given |
angles DBE and FBD are congruent | Def. of angle bisector |
line j is perpendicular to BC | Given |
line i is perpendicular to AB | Given |
angles E and F are congruent | Def. of perpendicular |
line BD is congruent to BD | Reflexive property |
Triangles BFD and BDE | AAS |
Segment DE and FD are congruent | CPCTC |
| |
| |