In the adjoining figure, name the pair of obtuse vertically opposite angles.

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∠AOD and ∠BOC

∠AOE and ∠BOD

∠EOD and ∠EOB

None of these

answer is A.

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Detailed Solution

Given figure,
Question Image

We have to find the pair of obtuse vertically opposite angles.
We know that obtuse angles are greater than 90° but less than 180°.
In the given figure, ∠AOD and ∠BOC are forming an obtuse angle.
Therefore, the required angles are ∠AOD and ∠BOC which are obtuse vertically opposite angles.
Hence, option 1 is correct.

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