In the diagram, transversal t cuts across the parallel lines a and b. Match the pairs of angles with the relationship that shows they are

congruent.

alternate exterior angles

<2, <3 and <5, <8
alternate interior angles
<1, <8 and <2, <7
corresponding angles
<3, <6 and <4, <5
vertical angles
<1, <5 and <2, <6