A central angle in this diagram is?

Answer: Angle GOJ, Angle JOG, or just Angle O
Step-by-step explanation:
A central angle is an angle which has its vertex at the center of the circle.
Answer:
∠O
∠GOJ
∠JOG
Step-by-step explanation:
An angle at the center of a circle with end points on the circle's circumference . its angle is usually the measure of the minor arc.