4-5 Isosceles and Equilateral Triangles
Which of the following statements about bisectors in isosceles triangles is true?
O A. The perpendicular bisector of any side of an isosceles triangle is also the angle bisector of the angle opposite that side.
O B. The perpendicular bisector of the leg of an isosceles triangle is also the angle bisector of the base angle opposite that leg.
OC. The bisector of the angle opposite the base of an isosceles triangle will also be the perpendicular bisector of the base.
O D. The bisector of either base angle in an isosceles triangle is also the perpendicular bisector of the side opposite the base angle.
