Q. 735.0( 1 Vote )
In each of the following figures, write, if any, (i) each pair of vertically opposite angles, and (ii) each linear pair.

Answer :
(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
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