Angles Formed by Parallel Lines and a Transversal (RHS)
This applet shows the relationships between angles formed by a pair of parallel lines and a transversal.
Corresponding Angles
There are 4 sets of corresponding angles. Click each one. Make sure you are also moving the blue points as you try out the 4 sets of corresponding angles
Same Side Interior
There are 2 sets of same side interior angles. Click each one. Make sure you are also moving the blue points as you try out the 2 sets of same side interior angles.
Alternate Interior Angles
There are 2 sets of alternate interior angles. Click each one. Make sure you are also moving the blue points as you try out the 2 sets of alternate interior angles.
Alternate Exterior Angles
There are 2 sets of alternate exterior angles. Click each one. Make sure you are also moving the blue points as you try out the 2 sets of same side interior angles.