Angle ∠COD and angle ∠HOG are vertically opposite angles. Then the correct option is C.
What is an angle?
The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.
Vertically opposite angle - When two lines intersect, then their opposite angles are equal.
The diagram is given below.
Angle ∠COD and angle ∠HOG are vertically opposite angles.
Hence, Angle ∠COD and angle ∠HOG are congruent.
Then the correct option is C.
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