Parallel Lines
Click and drag the purple points to change the measure of the angles.
What do you notice about the corresponding angles (same color)?
List all pairs of alternate interior angles. What do you notice about their measures?
List all pairs of alternate exterior angles. 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?