Radius
Diameter
Circumference
Area
Area pt 2
100

The diameter is 10

What is 5?

100

The radius is 8

What is 16?

100

The diameter of the circle is 2

What is 6.28?

100

The radius of the circle is 3

What is 28.26?

100

Find the area if the circumference is 30 cm. Round to nearest hundreth.

71.66 cm2

200

The diameter is 22

What is 11?

200

The radius of the circle is 20

What is 40?

200

The diameter of the circle is 10

What is 31.4?

200

The radius of the circle is 6

What is 113.04?

200

Find the area of a circle with a circumference of 62 in. Round to the nearest hundreth. 

306.05 in2

300

The diameter is 122

What is 61?
300

The radius of the circle is 10.5

What is 21?

300

The diameter of the circle is 4

What is 12.56?

300

The diameter of the circle is 20

What is 314?

300

Amy and Brian want to fence in a circular portion of their backyard for a play space for their children. Determine the area of the largest portion of the yard that they can enclose with 90 feet of fencing.

644.90 ft2

400

The circumference of the circle is 153.86

What is 24.5?

400

The circumference of the circle is 615.44

What is 196?

400

The radius of the circle is 25

What is 157?

400

The diameter of the circle is 80

What is 5024?

400

The rim of a basketball net measures 56.52 cm AROUND. What is the area of the basketball rim. Round to the nearest hundreth. 

254.34 in2

500

The circumference of the circle is 113.04

What is 18?

500

The circumference of a circle is 7,850

What is 2500?

500

The radius of the circle is 3.5

What is 21.98?

500

The circumference of the circle is 18.84

What is 28.26?

500

Jeanie wants to hang a circular mirror in a frame in her front hall. Determine the area of the largest mirror Jeanie can hang if the frame has a circumference of 56 inches. Round to the nearest hundreth. 

249.68 in2