7 With respect to b as a transversal for lines a and c a which angle corresponds to Z2 b which angle is the alternate interior angle for Z6 8 With respect to c as a transversal for lines a and b a which angle 12 5 6 10 9X11 12 Exercises 7 8 3 7 8 corresponds to 25 b which angle is the alternate exterior angle for 4 a b