Question

in an isosceles triangle, the base angles are equal , the vertex angle is 40°. what are the base angles of the triangle? please tell me?​

Answer 1

Answer :

70°

Explanation :

Let the base angles = x

A. T. Q.

40° + x + x = 180°

40° + 2x = 180°

2x = 180 - 40°

2x = 140°

x = 70°