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Question
In the given figure; AB, CD and EF are straight lines. Name the pair of angles forming the vertically opposite angles.
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Solution
In the given figure, AB, CD and EF are straight lines on intersecting, angles are formed a, b, c, d, l, m, n and p.
Pairs of vertically angles are ∠a, ∠c; ∠b, ∠d; ∠l, ∠n; ∠m, ∠p.
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