(i) From the given figure, we have

Pairs of corresponding angles are as follows:

∠1 and ∠5

∠2 and ∠6

∠3 and ∠7

∠4 and ∠8

(ii) From the given figure, we have

Pairs of alternate interior angles are as follows:

∠2 and ∠8

∠3 and ∠5

(iii) From the given figure, we have

Pairs of alternate interior angles on the same side of the transversal are as follows:

∠2 and ∠5

∠3 and ∠8

(iv) From the given figure, we have

Pairs of vertically opposite angles are as follows:

∠1 and ∠3

∠2 and ∠4

∠5 and ∠7

∠6 and ∠8