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