Circles Angles Review

Find the length, in yards, of the arc intercepted by the 90° angle. Use 3.14 for pi (π) and round your answer to the nearest tenth.

Find the area, in square feet, of the highlighted sector. Use 3.14 for pi (π). Round your answer to the nearest tenth.

Chen is painting 18 watermelon coasters to sell at a craft fair. They are cut from circular corkboard with 8 in. diameter. If he has one jar of paint that covers 200 in², is that enough to paint all 18 coasters?

• yes

• no

Find m∠DBE = ____°

The measure of arc IKJ = ___°?

The measure of arc KM = ___°?

Solve for x.

m∠Z = ___°?

Solve for m∠X.

• 60°

• 8°

• 120°

• 16°

Deondra needs to know the measure of the inscribed angle for each notch of the 16-notch socket wrench she is designing. If each notch is the same size, what is the angle measure, in degrees?