4. 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 and 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.