Circumference of Circles

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²

• 9.62 cm²

• 9.15 cm²

• 9.99 cm²

Tags

CCSS.7.G.B.4

A dog is tied to a wooden stake in a backyard. His leash is 3 meters long and he runs around in circles pulling the leash as far as it can go. How much area does the dog have to run around in?

• 113.04 square meters

• 9.42 square meters

• 18.84 square meters

• 28.26 square meters

Tags

CCSS.7.G.B.4

The distance around the wheel of a truck is 9.42 feet. What is the radius of the wheel?

• 3 feet

• 1.5 square feet

• 1.5 feet

• 29.58 square feet

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

A lawn sprinkler sprays water 5 feet in every direction as it rotates. What is the area of the sprinkled lawn?

• 31.4 square feet

• 15.7 square feet

• 19.63 square feet

• 78.5 square feet

Tags

CCSS.7.G.B.4

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle

The local rodeo has a circular pin, with a diameter of 48 feet, in which they keep the horses. What is the circumference of the horse pin?

• 150.72 feet

• 140.72 feet

• 130.72 feet

• 160.72 feet

Tags

CCSS.7.G.B.4

What is the diameter?

• 8

• 16

• 10

• 4

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.7.G.B.4

If the diameter of a circle is 65 m, what is the circumference?

• 204.1 m

• 20.41 m

• 102.05 m

• 102.5 m

Tags

CCSS.7.G.B.4