Circles

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards
• 25 yards
• 150 yards
• 15 yards

Tags

CCSS.7.G.B.4

If the radius of a circle is 12.5 meters, the diameter is ____

• 6.25 meters
• 125 meters
• 25 meters
• 50 meters

Tags

CCSS.7.G.B.4

Tom measured his frisbee from the center to the outside and found it to be 6 inches.  What is the approximate circumference of Tom's frisbee?

• 37.68 inches
• 3 inches
• 12 inches
• 376.8 inches

Tags

CCSS.7.G.B.4

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's approximate circumference?

• 14.13 ft
• 20.68 ft
• 26.28 ft
• 28.26 ft

Tags

CCSS.7.G.B.4

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Tags

CCSS.7.G.B.4

A remodeling project calls for sanding a chair with a disk sander. The sanding disk used on the sander has a radius of 4.5 inches. Find the area of the disk. Use 3.14 for π

•  about 64.79 in2
•  about 55.19 in2
•  about 63.59 in2
•  about 53.79 in2

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 ft^2

• 29.67 ft^2

• 545.8 ft^2

• 706.5 ft^2

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4

A circle has an circumference of 56.52 cm. Find the area of the circle.

• 1017.36 cm²
• 254.34 cm²
• 3194.51 cm²
• 798.63 cm²

Tags

CCSS.7.G.B.4

A rotating lawn sprinkler sprays water in a circular area of grass, as shown in the picture. The diameter of the circular area of grass is 16 ft. What is the area?

• 100.48 ft

• 50.24 ft

• 200.96 ft

• 803.84 ft

Tags

CCSS.7.G.B.4