Question

bisector of a isosceles triangle​

Answer 1

Step-by-step explanation:

The base angles theorem converse states if two angles in a triangle are congruent, then the sides opposite those angles are also congruent. The Isosceles Triangle Theorem states that the perpendicular bisector of the base of an isosceles triangle is also the angle bisector of the vertex angle.

Answer 2

Answer:

Hope it helps you....

Step-by-step explanation:

If the bisector of an angle in a triangle is perpendicular to the opposite side ,the triangle is isosceles .....if the line from an angle of a triangle which is perpendicular to the opposite side meets the opposite side at its midpoint , then the triangle is isosceles.