Area and Circumference of Circles Volume

MUST DO: Elsie bought a circular rug that is 9 feet in diameter. What is the circumference of the rug rounded to the nearest tenth of a foot?

• 4.5 feet

• 14.1 feet

• 28.3 feet

• 56.5 feet

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13 m²

• 78.50 m²

• 314.16 m²

• 170.12 m²

Tags

CCSS.7.G.B.4

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²

• 29.67 ft²

• 545.8 ft²

• 706.5 ft²

Tags

CCSS.7.G.B.4

Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.

• C = π5

• C = (2)(π)(2.5)

• A = π x 5 x 5

• A = π x 2.5 x 2.5

Tags

CCSS.7.G.B.4

Hilary's Horse Hideaway is buying dirt to fill their circular training area. The training circle is 28 feet across. The dirt is sold in truckloads that cover 75 square feet of ground. How many truckloads of dirt will Hilary need?

• 8 truckloads

• 32 truckloads

• 33 truckloads

• 9 truckloads

Tags

CCSS.7.G.B.4

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

Tags

CCSS.7.G.B.4

A clock face has a diameter of 10 inches. What is the approximate area of the clock face in square inches?

• 314 in²

• 31.4 in²

• 7.85 in²

• 78.5 in²

Tags

CCSS.7.G.B.4

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

• A line from the center to the side.

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once?

• 84.78

• 15.5

• 27

• 13

Tags

CCSS.7.G.B.4

The London Eye has a radius of 60 meters. If you are sitting in one of the capsules, about how far do you travel in one rotation of the Ferris wheel?

• 180 meters

• ^{380 meters}

• ^{11,300 meters}

• 125 meters

Tags

CCSS.7.G.B.4