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
31.42
100
Find Area when Radius = 4
50.27
100
What is the circumerence of a circle with the diameter of 2?
6.28
100
What is the area of a circle with a diamater of 6?
28.27
200
If the diameter is 20 what is the RADIUS?
10
200
Find Circumference when Radius - 10
62.83
200

Find Area when Radius = 14

615.75

200
What is the circumference of a circle with a diameter of 4?
12.57
200
What is the area of a circle with a diameter of 10?
78.54
300

I have a very large cake with a radius of 30. Thinking of the diameter, will I be able to sit it on a table that is 70 feet long?

Yes. The diameter will be 60 feet and that is ten feet shorter than the table.

300

I made a pizza with a radius of 25cm. It is very big! If my table is a rectangular table that is 20 cm by 10cm, is it big enough? How do you know?

No because the area was 1,962.5 squared is the area of the pizza and the table is 200cm squared so it is large enough. 

300

I have a pie with a 42 cm diameter. What is the area of my pie?

1,385.44

300

My circle's circumference is 43.98. What is the diameter of the circle?

14

300

My area is 314.16. What is my diameter?

20

400

If the radius is 12inches what is the DIAMETER in feet? 

2 feet

400
Find Circumference when Radius = 50
314.16
400
Find Area when Radius = 35
3,848.45
400
What is the circumference of a circle with a diameter of 22?
69.12
400

My area is 380.13, what is my diameter?

22

500

If the Radius is 25 what is the circumfrence?

157.08

500

Find the circumference of a circle whose area is 17,671.

471.24

500
Find Area when Radius = 50
7,853.98
500
What is the circumference of a circle with a diameter of 100?
314.16
500

What is the area of a circle with a circumference of 314.16?

7,853.98

M
e
n
u