Two parallel lines are cut by a transversal. Angles A and B are adjacent exterior angles. Angle A measures 87 degrees. What does Angle B measure?

Answer 1

Angle A + angle B must add up to 180°
so if angle A = 87°, then ....

Answer 2

B= 180 - 87
B= 93 degrees.. :)

Answer 3

Excellent
It's useful