Inscribed Angles Practice

Front

What is an inscribed angle?

Back

An inscribed angle is an angle formed by two chords in a circle which have a common endpoint. The vertex of the angle is on the circle, and the sides of the angle are the chords.

Front

What is the relationship between an inscribed angle and the intercepted arc?

Back

The measure of an inscribed angle is half the measure of the intercepted arc.

Front

If two inscribed angles intercept the same arc, what can be said about their measures?

Back

If two inscribed angles intercept the same arc, then they are congruent.

Front

What is a central angle?

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides are radii that extend to the circle.

Front

How do you calculate the measure of an inscribed angle?

Back

To calculate the measure of an inscribed angle, take half the measure of the intercepted arc.

Front

What is the measure of an inscribed angle if the intercepted arc measures 90 degrees?

Back

The measure of the inscribed angle would be 45 degrees.

Front

What is the measure of an inscribed angle if the intercepted arc measures 180 degrees?

Back

The measure of the inscribed angle would be 90 degrees.

Front

If angle ACB is an inscribed angle, what can be said about the arc AB?

Back

Arc AB is the intercepted arc of angle ACB.

Front

What is the measure of an inscribed angle if the intercepted arc measures 360 degrees?

Back

The measure of the inscribed angle would be 180 degrees.

Front

Can an inscribed angle be greater than 90 degrees?

Back

No, an inscribed angle cannot be greater than 90 degrees if it intercepts an arc less than 180 degrees.