A pair of parallel lines is cut by a transversal:
A pair of parallel lines cut by a transversal is shown. The inside bottom right angle is labeled 80 degrees. The alternate interior angle is cut by a ray and is labeled as x on one side and 15 degrees on the other.
What is the measure of angle x? (4 points)
a. 60 degrees
b. 65 degrees
c. 70 degrees
d. 80 degrees