Circle Properties Review

Find the measure of arc a.

• 114°

• 76°

• 104°

• 180°

Find the measure of arc f.

• 77°

• 198°

• 113°

• 85°

What is the circumference of the circle in terms of pi?

• 131 cm

• 42 π cm

• 84 π cm

• 21 π cm

If the circumference is 18 π cm, what is the radius of the circle?

• 27 cm

• 9 cm

• 36 cm

• 18 cm

An arc of a circle has a measure of 100° and a length of 55π cm. What is the diameter of the circle?

Two circles are congruent if they have the same circumference.

• True

• False

An angle inscribed in a semicircle is a right angle.

• Always

• Sometimes

• Never

Find the measure of arc b.

• 44°

• 62°

• 118°

• 80°

If the r=12 cm, what is the arc length of AK? Select all that apply.

• 48°

• 3.2 π cm

What is the measure of arc GB?