Question 907367
if you have two parallel lines cut by a transversal, all angles formed will either be equal ot supplementary.


same side interior angles which are the angles between the parallel lines existing on the same side of the transversal are supplementary.


here's information about parallel lines cut by a transversal you might find useful.


<a href="http://www.mathnstuff.com/math/spoken/here/2class/260/trans.htm" target="_blank">http://www.mathnstuff.com/math/spoken/here/2class/260/trans.htm</a>