Circles Area & Circumference

A dog is leashed up to a peg at the center of the backyard. If the length of the rope is 18.3 m (radius), what will be the maximum area the dog can walk around?

• 1051.6 m²

• 57.5 m²

• 75.76 m²

• 4206 m²

The Ferris wheel has a diameter of 120 meters. If you are sitting in one of the capsules/seats, about how far would you travel in one rotation around the Ferris wheel?

• 180 meters

• ^{380 meters}

• ^{11,300 meters}

• 125 meters

A sprinkler that sprays water in a circular area can be adjusted to spray up to 30 feet. To the nearest tenth, what is the maximum area of lawn that can be watered by the sprinkler?

• 188.4 ft²

• 706.5 ft²

• 183.6 ft²

• 2,826 ft²

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 cake is covered by icing?

• 12.6

• 50.3

• 201.1

• 452.4

How many yards are in a mile?

• 12 yards

• 24 yards

• 237 yards

• 473 yards

• 2 x 9 x pi
• 2 x 18 x pi
• 9 x 9 x pi
• 18 x 18 x pi

• 7.9 in
• 15.7 in
• 34.1 in
• 62.8 in

• C = pi x 4
• C = pi x 16
• C = pi x 16 x 2
• C = pi x 8

What is the circumference of circle A?

• 12.56

• 50.24

• 200.96

• 25.12

#5

• A

• B

• C

• D