Line g is parallel to line h. Which statement proves that Z3 is congruent to Z6? g
h
When two parallel lines are cut by a transversal, their corresponding angles are congruent
When two parallel lines are cut by a transversal, their alternate exterior angles are congruent.
When two parallel lines are cut by a transversal, their alternate exterior angles measure 180°
When two parallel lines are cut by a transversal, their alternate interior angles are congruent.