Click and drag the purple points to change the measure of the angles.
What do you notice about the [i]corresponding angles[/i] (same color)?
List all pairs of [i]alternate interior angles[/i]. What do you notice about their measures?
List all pairs of [i]alternate exterior angles[/i]. What do you notice about their measures?
List all angles that are congruent to angle A.
List all angles that are congruent to angle B.
Challenge: What angle measure for angle A makes all angles have the same measure?