Area and Circumference

Finding Radius/Diameter

100

If the radius is 5 what is the DIAMETER?

10

200

If the diameter is 20 what is the RADIUS?

10

300

If the radius is 30 the DIAMETER is?

60

400

If the radius is 20 what is the DIAMETER?

40

500

If the Radius is 50 what is the DIAMETER?

100

Circumference Given Radius

100

Find circumference: When radius = 5

31.4

200

Find Circumference when Radius = 10

62.8

300

Find Circumference when Radius = 25

157

400

Find Circumference when Radius = 50

314

500

Find Circumference when Radius = 75 in terms of pi

150π or 150i

Area Given Radius

100

Find Area when Radius = 4

50.24

200

Find Area when Radius = 14

615.44

300

Find Area when Radius = 21

1,384.74

400

Find Area when Radius = 35 in terms of pi.

1225 π or 1225 pi

500

Find Area when Radius = 50

7,850

Circumference Given Diameter

100

What is the circumference of a circle with the diameter of 2?

6.28

200

What is the circumference of a circle with a diameter of 7?

21.98

300

What is the circumference of a circle with a diameter of 14 in terms of pi?

14π or 14 pi

400

What is the circumference of a circle with a diameter of 22?

69.08

500

What is the circumference of a circle with a diameter of 120?

376.8

Area Given Diameter

100

What is the area of a circle with a diamater of 6?

28.26

200

What is the area of a circle with a diameter of 10?

78.5

300

What is the area of a circle with a diameter of 20?

314

400

What is the area of a circle with a diameter of 22?

379.94

500

What is the area of a circle with a diameter of 100 in terms of pi?

2500π or 2500 pi