Radius/Diameter
Circumference - Radius
Area - Radius
Circumference - Diameter
Area - Diameter
100
If the radius is 5 what is the DIAMETER?
10
100

Find circumference: When radius = 5

31.4

100

Find Area when Radius = 4

50.2

100

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

6.3

100

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

28.3

200
If the diameter is 20 what is the RADIUS?
10
200

Find Circumference when Radius is 10

62.8

200

Find Area when Radius = 14

615.4

200

What is the circumference of a circle with a diameter of 4?

12.6

200

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

78.5

300
If the radius is 30 the DIAMETER is?
60
300

Find Circumference when Radius = 25

157

300

Find Area when Radius = 21

1,385.7

300

What is the circumference of a circle with a diameter of 13?

40.8

300

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

314.0

400
If the radius is 20 what is the DIAMETER?
40
400

Find Circumference when Radius = 50

314

400

Find Area when Radius = 35

3,848.5

400

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

69.1

400

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

379.9

500
If the Radius is 50 what is the DIAMETER?
100
500

Find Circumference when Radius = 75

471

500

Find Area when Radius = 45

6358.5

500

What is the circumference of a circle with a diameter of 100?

314.0

500

What is the area of a circle with a diameter of 100?

7,850.0

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