Central Angle of Circular Segment is the angle subtended by the arc of a Circular Segment with the center of the circle from which the Circular Segment is cut. And is denoted by ∠Central. Central Angle of Circular Segment is usually measured using the Degree for Angle. Note that the value of Central Angle of Circular Segment is always positive. Typically, the value of Central Angle of Circular Segment lies in the range from 0 to 360.