Circumference of a Circle Word Problems

An architect is making a plan for a new circular playground. If the picture below is the playground, how much fencing needs to go up to keep the kids in the circle? Use 3.14 for π.

• 3,215 m

• 201 m

• 402 m

• 100 m

The circumference of a circle is 36.31 meters. What is the approximate length of the radius? Use 3.14 for π.

• 3 m

• 4 m

• 5 m

• 6 m

The radius of a birthday cake is 4 inches. Icing will decorate the circumference of the cake. What procedure can be used to find the approximate circumference of the cake? Use 3.14 for π.

• Multiply 4 by 3.14.

• Multiply 4 by 2, and then multiply the product by 3.14.

• Multiply 4 by 4, and then multiply the product by 3.14.

• Divide 4 by 2, and then multiply the quotient by 3.14.

The circle represents a tablecloth that Angie bought. She wants to sew fringe along the edge of the tablecloth. How many of fringe does she need to buy? Use 3.14 for π.

• 12.4 ft

• 7.9 ft

• 19.6 ft

• 15.7 ft

A group of students stood in a circle to play a game. The circle had a diameter of 22 meters. Which measurement is closest to the circumference of the circle in meters?

• 34.54 m

• 1,519.76 m

• 379.94 m

• 69.08 m

How many cookies are there?

• 48 cookies

• 24 cookies

• 8 cookies

• 4 cookies

• 15

• 29

• 46

• 93

• 28.26 feet

• 56.52 feet

• 56.52 feet

• 113.04 feet

Jason painted a circular picture for his wife. The picture has a diameter of 20 inches. How many inches of frame would Jason need to purchase to surround the picture? Use 3.14 for pi

• Area

• Circumference

The diameter of Joanne’s bicycle wheel is 18 inches. What is the circumference to the nearest tenth?

• 28.3 in

• 27 in

• 56.5 in

• 54 in