Circumference of a Circle Real World Problem

What is the formula for finding the circumstance of a circle with just the diameter?

•  π*d

• b*h

• l*w*h

• I do not know

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

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in 

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 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).

• 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

Find the circumference (round to the nearest hundredth).

• 1.62 cm

• 2.51 cm

• 5.02 cm

• 50.24 cm