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Question
In the following figure, write, if any, (i) each pair of vertically opposite angles, and (ii) each linear pair.
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Solution
Vertically opposite angles are the angles, opposite to each other when two lines cross, A linear pair is a pair of adjacent angles whose non-common sides are opposite rays.
Following are vertically opposite angles and linear pair in the above figure:
| Figure | Vertically opposite angles | Linear pair |
|
∠ROQ, ∠POS; ∠ROP, ∠QOS | ∠ROP, ∠POS; ∠ROT, ∠TOS; ∠QOS, ∠SOP; ∠QOT, ∠TOP; ∠ROQ, ∠QOS; ∠ROQ, ∠ROP |
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