Is a perpendicular bisector always an angle bisector?

Answer:
thank goodness for my math teacher, norm! he said only in an isosceles triangle.
The bisector of the vertex angle of an isosceles triangle is perpendicular to the base! =)
First answer by Leeseuh. Last edit by Leeseuh. Contributor trust: 3 [recommend contributor recommended]. Question popularity: 2 [recommend question].