Central and Inscribed Angles

Front

inscribed angle: an angle with its vertex _____________ the circle

Back

on

Front

central angle: an angle with its vertex _____________ the circle

Back

at the center of

Front

Which number best represents an inscribed angle?

Back

9

Front

Find the measure of arc AB if the inscribed angle is 34 degrees.

Back

68

Front

What is the measure of the indicated arc if the inscribed angle is 35 degrees?

Back

70

Front

Definition of a central angle.

Back

An angle whose vertex is at the center of the circle and whose sides are radii.

Front

Definition of an inscribed angle.

Back

An angle formed by two chords in a circle which have a common endpoint.

Front

If the measure of an inscribed angle is 40 degrees, what is the measure of the intercepted arc?

Back

80 degrees

Front

What is the relationship between a central angle and its intercepted arc?

Back

The measure of the central angle is equal to the measure of the intercepted arc.

Front

If an inscribed angle intercepts an arc of 100 degrees, what is the measure of the inscribed angle?

Back

50 degrees