Find Circumference and Arc Length

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Find the arc length.  Leave your answer in terms of π.

• 7/4π cm

• 7/2π cm

• 1/5π cm

• 45π cm

Find the arc length of the bolded arc.

• A

• B

• C

• D

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

What is the circumference of a dinner plate with a radius of 4.5 inches?

• 28.26 inches

• 27.26 inches

• 29.26 inches

• 30.26 inches

What is the circumference of a 12 inch (diameter) pizza?

• 37.68 inches

• 36.68 inches

• 35.68 inches

• 34.68 inches

What is the arc length of minor arc AB?

• 5.23

• 103

• 33.33

• 50

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.98 cm

• 87.96 cm

• 7 cm

What is the circumference of this circle?

• 3.14 cm

• 37.7 cm

• 24 cm

• 68.4 cm

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm

• 18.84mm

• 78.54mm

• none of the above