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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 |
|
Nil | ∠ABD, ∠DBC; ∠ABE, ∠EBC |
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