Question

What is angle A + angle B

34°
56°
90°
180°

Answer 1

It 90 degrees

Explanation:

A=180-124

A=56

B=180-90-56

B=34

A+B

34+56=90

Answer 2

a + b = 90°

Explanation:

It’s obvious that this is a right angle then

a + b = 90°