Area and Circumference of Circles - 7th

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

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

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

What is the area of this circle?

• 163.24 cm²

• 15.31 cm²

• 124.18 cm²

• 113.04 cm²

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm
• 30 cm
• 15 cm
• 112.5 cm

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

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 562 ft

• 246 ft

• 365 ft

• 393 ft

find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

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

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

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

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