Circumference Word Problem

If you have the circumference of a circle is 149 ft., what is the radius of that circle?

• 47.45 ft

• 23.7 ft.

• 74.5 ft.

• None of the above

If you have the circumference of a circle, you can solve the diameter by doing what?

• divide the circumference by 2

• multiply the circumference by 2

• multiply the circumference by pi (3.14)

• divide the circumference by pi (3.14)

• 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

If the problem ask you to find the distance around a circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

Which formula would you use to answer: Lauren's bicycle tire has a diameter of 20 inches. How many inches is one full revolution of the wheel?

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 (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

The circumference is 62.8 inches.  What is the radius?

• 20 inches

• 10 inches

• 6.28 inches

• 31.4 inches

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

I measured from the center of the wheel to the outside edge and it was 62.2 cm. What is the circumference of the wheel? Use 3.14 for pi.

• 62.2 cm

• 195.308 cm

• 124.4 cm

• 390.616 cm