A pair of parallel lines is cut by a transversal, as shown: A pair of parallel lines is shown cut by a transversal. Angle p is located in the upper right exterior next to the transversal, and angle q is located in the bottom left exterior corner of the transversal. Which of the following best represents the relationship between angles p and q? p = 180 degrees − q q = 180 degrees − p p = 2q p = q