Circumference Practical Problems

Jojo bought a circular beach towel. The towel had a fringe around the entire edge of it. If the radius of the towel is 2.5 ft., how long was the fringe?

• 3.14

• 12.56

• 15.7

• 7.065

Mark is putting a round fountain in his backyard. He decides to place bricks around the edge of the fountain. If the radius of the fountain is 1.5 feet, what is the length of the brick edge?

• 9.42

• 12.56

• 17.5

• 15.7

Jimmy is making pizza. He puts a cheese crust around the edge of the pizza. If the diameter of the pizza is 12 inches, what is the length of the cheese crust?

• 37.68

• 254.34

• 56.52

• 31.40

Ellen baked a pie for her family dinner. She put foil around the edge of the pie while it was baking. What was the length of the foil, if the radius of the pie is 4 inches?

• 25.12

• 12.56

• 15.7

• 37.68

How many cookies are there?

• 48 cookies

• 24 cookies

• 8 cookies

• 4 cookies

Find the circumference. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m 

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

Find the circumference with a radius of 9 mi. Use 3.14 for pi.

• 59.1 mi

• 113 mi

• 26.6 mi

• 56.5 mi