Question

I need help please and thank you

Answer 1

The sum of the angles of a triangle is 180°.

The angles you know are 28° and 36°, so you can do this to find ∠B:

∠A + ∠B + ∠C = 180°

or 28° + ∠B + 36° = 180° Add 28 and 36

64° + ∠B = 180° Subtract 64 on both sides

∠B = 116