Lines a and b are intersecting lines, forming two types of angle pairs: Vertical Angles and Linear Pairs.Move one slider at a time.Drag around the points to change the measures of the angles.
Which type of angle pairs are always congruent?:
Which type of angle pairs are always supplementary (add to 180):
Which type of angle pairs are Adjacent Angles?
Write your answers on the Google Doc attached to this assignment.

Points A, B, C, and D can be moved by the user to change the orientation of the intersecting lines. Points must stay to the same side of Point E for the demonstration to works.