In each of the following figures, write, if any, (i) each pair of vertically opposite angles, and (ii) each linear pair.

(i) Pair of vertically opposite angles:

● ∠ 1 and ∠ 3

● ∠2 and ∠4

● ∠6 and ∠8

● ∠5 and ∠7

Linear Pairs:

● ∠ 1 and ∠ 2

● ∠ 2 and ∠ 3

● ∠ 3 and ∠ 4

● ∠ 4 and ∠ 1

● ∠5 and ∠6

● ∠6 and ∠7

● ∠7 and ∠8

● ∠8 and ∠5

(ii) Pair of vertically opposite angles:

No vertically Opposite angles are present

Linear Pairs:

● ∠ABD and ∠DBC

● ∠ABE and ∠EBC

(iii) Pair of vertically opposite angles:

No vertically Opposite angles are present

Linear Pairs:

No linear pairs

(iv) Pair of vertically opposite angles:

● ∠ ROP and ∠QOS

● ∠ROQ and ∠ POS

Linear pairs:

● ∠ ROP and ∠QOR

● ∠ ROQ and ∠QOS

● ∠ SOP and ∠QOS

● ∠ ROP and∠ SOP

● ∠ ROT and ∠ TOS

● ∠ POT and ∠ TOQ