To win a local billiards tournament, all Jeanette has left to do is drop the 9-ball. Because of the other balls on the table (not shown), her only realistic shot on this turn is to bounce the ball off both sides of the table as shown. Use the information in the image to answer the questions below. Lines AB and CH are parallel, and the near side of the table is parallel to the far side.

a. What other angle measures can we be sure about? Explain your reasoning.

b. Identify the sets of congruent angles. Explain your conclusions.

c. Identify all the sets of alternate interior angles you can envision. Explain.

d. Identify all the sets of corresponding angles. Explain.