In triangle ABC, line AB is congruent to line BC. If m angle A is 45, find m angle B.

Answer 1

90

Answer 2

Wouldn't it be 45, since it's an isosceles triangle?

...B...

A.....C

Angle A = Angle C, since AB is congruent to BC

Answer 3

Oops, it says angle B, not C.
Sorry.