Question

in angle abc is an isosceles triangle with ab is equal to AC if angle b = 40 degree what are the measure of angle A and angle C​

Answer 1

Step-by-step explanation:

Given: ab =ac

angle b=40°

angle c= angle b

c= 40°

(angle opposite to each other are equal in an isosceles triangle)

a+b+c= 180°

40+40+c=180°

80+c = 180°

c= 180° - 80°

c= 100°