Radius
Diameter
Circumference
Area
Circumference and Area of Partial Circles
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 circumference of the semicircle with a diameter of 10 cm.

25.7 cm

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 semicircle with diameter of 8 ft.

25.12 sq ft.

300

The circumference of the circle is 113.04

What is 18?

300

The radius of the circle is 7,850

What is 15,700?

300

The radius of the circle is 3.5

What is 21.98?

300

The diameter of the circle is 20

What is 314?

300

Find the circumference of a semicircle with a radius of 3 yd.

9.42 yd.

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

Find the area of a circle with circumference of 43.96 in. 

153.86 sq in.

500

The area of the circle is 254.34

What is 9?

500

The area of a circle is 907.46

What is 34?

500

The area of the circle is 1661.06

What is 144.44?

500

The circumference of the circle is 18.84

What is 28.26?

500

Find the area of circle with a circumference of 12.56 m.

12.56 sq m

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