In the diagram, m ∥ n and m and n are cut by transversal p. which angle pairs are congruent? check all that apply. ∠1 and ∠5 ∠3 and ∠8 ∠6 and ∠4 ∠8 and ∠2 ∠4 and ∠7

The picture in the attached figure

we know that

a) ∠1 and ∠5
are congruent-----> by corresponding angles

b) ∠3 and ∠8------> supplementary angles  (∠3 + ∠8=180°)
are not congruent

c)∠6 and ∠4------> supplementary angles (∠6 + ∠4=180°)
are not congruent

d) ∠8 and ∠2------> supplementary angles  (∠8 + ∠2=180°)
are not congruent

e) ∠4 and ∠7-----> supplementary angles  (∠4 + ∠7=180°)
are not congruent

What are the options