In the diagram above, ∠1=135° . Find the measure of ∠2.

Answer:
Angle 2 = 45 degrees
Step-by-step explanation:
Angle 1 = Angle D because they are alternate interior angles.
Angle 3 = Angle A because they are alternate exterior angles.
Angle 1 = 135 degrees
Therefore, Angle D = 135 degrees
180 - Angle D = Angle 2
Angle 2 = 180 - 135
Angle 2 = 45 degrees