In the figure below, AB is parallel to CD. 12 43 B А 56 87 D c Which statement proves that Z327? If two parallel lines are cut by a transversal, the alternate interior angles are congruent. Olf two parallel lines are cut by a transversal, the alternate exterior angles are congruent. If two parallel lines are cut by a transversal, the corresponding angles are congruent. If two parallel lines are cut by a transversal, the vertical angles are congruent.
