Arcs central angles and inscribed angles worksheet answers

Theorem 70: The measure of an inscribed angle in a circle equals half the measure of its intercepted arc.

The degree measure of a central angle is equal to the degree measure of its intercepted arc. For the circle at right with center C, ∠ACB is a central angle. An INSCRIBED ANGLE is an angle with its vertex on the circle. and whose sides intersect the circle.