Circumference of a Circle Word Problem

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π square units

• 10 π square units

• 25 π square units

• 50 π square units

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π

• C = 2π15

• c = 15/π

• c = 15/2π

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

What is the radius?

• 18

• 72

• 38

• 14

Find the circumference (round to the nearest hundredth).

• 2.16 m

• 2.61 m

• 4.02 m

• 4.08 m

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Find the circumference (round to the nearest hundredth).

• 1.62 cm

• 2.51 cm

• 5.02 cm

• 50.24 cm

Find the circumference (round to the nearest hundredth).

• 14.13 cm

• 26.28 cm

• 28.26 cm

• 56.52 cm

Find the circumference (round to the nearest hundredth).

• 2.55 cm

• 8.36 cm

• 12.56 cm

• 25.12 cm

If the circumference of a circle is 76 inches what is the diameter (rounded to the nearest hundredth)?

• 12.1 inches

• 15 inches

• 24.2 inches

• 26 inches