Question

please solve this and give correct answer​

Answer 1

Answer:

B= 40

Step-by-step explanation:

Sum of all angles of triangle = 180

A+B+C = 180

but B=C so put C=B and A=100

100 + 2B = 180

2B = 80

B = 80/2

B = 40

Answer 2

This the correct answer..

Hope it will be helpful to u..