Question

in triangle ABC AB=AC angle B=40° find angle A AND B

Answer 1

Angle A = 100°
Angle B = 40°
Angle C = 40°
{ Angle B is given by using isosceles∆ Theorem Angle B = Angle C . Then by using interior angle addition of angles of a∆ we get , Angle A =100° }

Answer 2

hope it would be helpful..