The description which correctly classifies the angle pair; ∠OGN and ∠HGP is; Vertical angles
What are Vertical angles?
Vertical angles are simply, angles opposite each other where two lines cross.
On this note, since the line segments KN and OP cross and angles ∠OGN and ∠HGP are opposite each other, we can arrive at the conclusion that the angle measures ∠OGN and ∠HGP are equal and are a pair of vertical angles.
Read more on vertical angles;
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