A central angle, such as angle of circle Z, is an angle whose vertex is and whose sides are radii of the circle.:UZV
A central angle, such as angle of circle Z, is an angle whose vertex is and whose sides are radii of the circle.:the center of the circle
Angle is not a central angle of circle Z.:WSX
The degree measure of an arc is the degree measure of the central angle that intercepts it.:equal to
The measure of is degrees.:79