If two interior angles on the same side of a traversal intersecting two parallel lines are in the ratio 2: 3, then the smaller of the two angles is:
108o
36o
54o
72o
If two parallel lines are intersected by a transversal, then interior angles on the same side of the transversal are
If two parallel lines are intersected by a transversal, then interior angles on the same side of the transversal are _______(in degrees).