Area of Circumference Word Problems

Daniel wants to buy cookies for his friend. The

radius of a cookie is 5 inches. What is the cookie’s

circumference? Round to the nearest hundredth. Don't forget to label.

• 81 in²

• 29.8 in2

• 59.7 in2

• 283.4 in2

• 50.24  yd

• 25.12 yd

• 38.92  yd

• 12.56 yd

Caedyen has trained his puppy, Chase, to jump through a ring. According to Caedyen's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference rounded to the nearest whole number (use 3.14 for pi)?

• 10 ft

• 12 ft

• 11 ft

• 21 ft

Which formula would you use to answer: Ethan is painting a large circle on one wall of his new apartment. The circle is 8 feet across. Approximately how many square feet of wall will the circle cover?

If the word problem is asking you to find the space inside the circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

Olivia ordered a 12" cookie cake for her birthday. She requested the icing to have a sun covering the center and be 8" in diameter. How much of Olivia's cookie cate wasn't covered by icing?

A pizza has a diameter of 50 centimeters. Which of the following is closest to the circumference of the pizza? Show your work.

• 157 cm

• 53.14 cm

• 150 cm

• 201.28 cm

The radius of a circular rug is 3 feet. Which of the following is closest to the circumference of the rug? Show your work.

• 6.14 ft

• 18.84 ft

• 9.42 ft

• 51.96 ft

Five Italian chefs came together to bake the world’s largest pizza. Its diameter is 131 feet long! Which of these is closest to the area of the pizza? Show your work.

• 13471 ft²

• 411 ft²

• 206 ft²

• 4290 ft²