Circles

If the radius of a circle is 15, what is the diameter?

• 7.5

• 30

• 15

• 29

Tags

CCSS.7.G.B.4

If the diameter of a circle is 18.5 inches, what is the circumference?

• 58.09 inches

• 1074.67 inches

• 116.18 inches

• 58.09 centimeters

Tags

CCSS.7.G.B.4

How much water would it take to fill a swimming pool with a radius of 6 feet?

• 36 gallons

• 37.68 gallons

• 18.84 gallons

• 113.04 gallons

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

A round breakfast table has a diameter of 5 meters. How much table cloth is needed to cover the entire table?

• 15.7 m

• 19.625 m

• 78.5

• 7.85 m

Tags

CCSS.7.G.B.4

If the radius of a circle is 4, what is the circumference?

• 8

• 25.12

• 50.24

• 12.56

Tags

CCSS.7.G.B.4

A dog is tied to a fence post with a piece of rope that is 10 feet long. What is the area of the circle in which the dog can graze?

• 314 feet

• 31.4 feet

• 62.8 feet

• 15.7 feet

Tags

CCSS.7.G.B.4

Find the area if the diameter is 19.

• 90.25

• 283.385

• 59.66

• 29.83

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 15.

• 30

• 225

• 706.5

• 94.2

Tags

CCSS.7.G.B.4

A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24 cm. What is the approximate difference in the circumferences of the two circles?

• 19.5 cm

• 28.5 cm

• 61 cm

• 90 cm

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4