Primary objective of this article is to Discuss on Central Angles and Arcs. Here explain Central Angles in Geometric terms. There are different angles related with circles. Perhaps the one who most immediately comes in your thoughts is the central point of view. It is the central angle’s power to sweep through an arc involving 360 degrees that determines the volume of degrees usually thought of as being contained by a circle. Central angles are facets formed by any two radii in a circle. The vertex is the center of the circle.