In the figure, 
x∥y
 and a is a transversal that crosses the parallel lines.
Which angle pair forms alternate interior angles?


∠3
and
∠7

∠1
and
∠8

∠4
and
∠6

∠2
and
∠6

In the figure xy and a is a transversal that crosses the parallel lines Which angle pair forms alternate interior angles 3 and 7 1 and 8 4 and 6 2 and 6 class=