Corresponding angles for parallel lines r and s cut by transversal q. Corresponding angles are congruent angles. 1 and 9 2 and 10 3 and 11 4 and 12
Corresponding angles for parallel lines p and q cut by transversal s. Corresponding angles are congruent angles. 11 and 15 9 and 13 12 and 16 10 and 14
Corresponding angles for parallel lines p and q cut by transversal r. Corresponding angles are congruent angles. 1 and 5 3 and 7 2 and 6 4 and 8