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D.) ∠EKF and ∠HKI are vertically opposite angles here. They are equal in magnitude and  opposite to each other

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The pair of angles that are vertical angles in the given diagram is: D. ∠EKF and ∠HKI.

What is a Pair of Vertical Angles?

Two angles are considered a pair of vertical angles if both angles are directly opposite each other and share a common vertex.

Vertical angles are also equal in measure.

Therefore, the pair of angles that are vertical angles in the given diagram is: D. ∠EKF and ∠HKI.

Learn more about vertical angles pair on:

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