In the figure, 1 || m andl I n. From the information given in the diagram, why is Z2 25?
When two lines intersect at a point, adjacent angles
are supplementary.
When two lines intersect at a point, vertical angles
are congruent.
3
4
When a transversal intersects two parallel lines,
corresponding angles are congruent.
m
5
When a transversal intersects two parallel lines,
alternate interior angles are congruent.