Vocabulary
What is a transversal
Any line that intersects two or more parallel lines.

Name two pairs of congruent angles that are created when a transversal intersects parallel lines.
alt interior/exterior
vertical
corresponding

If 2 lines are parallel, then the same side interior angles are _.
What is supplementary




Given that a || m, measure of angle 5=98°, then the measures of angles 3 and 4 are: