Question

1. find the measure of ∠1 if lines pq and rs are parallel:

a. 121
b. 31
c. 59
d. 131

Explanation:

Step1: Use the property of corresponding angles

When two parallel lines are cut by a transversal, corresponding angles are equal. $\angle1$ and the given $59^{\circ}$ angle are corresponding angles.

Answer:

C. 59