Question

lines m and n are parallel lines cut by transversal line t, as shown. the measure of ∠1 is 120°. what is the measure of ∠2? a 30° b 60° c 90° d 120°

Explanation:

Step1: Identify angle - relationship

$\angle1$ and $\angle2$ are corresponding angles. When two parallel lines are cut by a transversal, corresponding angles are congruent.

Answer:

D. $120^{\circ}$