Circle Terms
Finding Radius or Diameter
Finding Circumference
Finding Area
(Find area for all)
(Find area for all)
100
The distance from the center to the outside.
What is the radius?
100
The radius is 6.
What is the diameter?
12
100
The diameter for this circle is 10.
What is the circumference?
31.4
100
The radius of this circle is 2.
What is the area?
12.56
200
The longest line in the circle from one side to the other side, passing through the center
What is the diameter?
200
The diameter is 18.
What is the radius?
9
200
The diameter for this circle is 13.
What is the circumference?
40.82
200
The radius of this circle is 3.
28.26
300
The name of this symbol and its value. 
What is pi? What is 3.14?
300
The diameter is 11.
What is the radius?
5.5
300
The radius is 3.
What is the circumference?
18.84
300
The diameter of the circle is 8.
50.24
400
The total amount of space inside of a circle.
What is the area?
400
The radius is 7.
What is the diameter?
14
400
The radius for this circle is 10.
What is circumference?
What is 282.6
400
The radius of this circle is 10.
314
500
The distance around the outside of the circle.
What is circumference?
500
The diameter is 250.
What is the radius?
125
500
The diameter is 7.
What is the circumference?
21.98
500
The diameter of the circle is 6.
28.26