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Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Miscellaneous
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius?
100
The Diameter of this circle is 5
What is 2.5
100
The radius of this is 5
What is 10
100
The formula for determining the circumference of a circle.
2 x ∏ x r
100
The value of ∏
What is 3.14?
200
The line that runs from one side of the circle, through the middle and to the other side.
What is the Diameter?
200
The diameter is 12
What is 6
200
The radius of this circle is 2.5
What is 5
200
The diameter for this circle is 13
What is 40.82
200
The radius of this circle is 2in
What is 12.57in
300
The perimeter (outlining) of a circle.
What is circumference?
300
The diameter of this circle is 27
What is 13.5
300
The circumference of this circle is 15.7
What is 5
300
The diameter of this circle is 25
What is 78.5
300
The radius of this circle is 8ft
What is 201.06ft?
400
The total amount of space inside of a circle.
What is the area?
400
The diameter of this circle is 468
What is 234?
400
The circumference of this circle is 18.84
What is 6
400
The radius for this circle is 45
What is 282.6
400
The area of a circle with a diameter of 8mi.
What is 50.27mi?
500
3.14 or 22/7
What is pi?
500
The diameter of this circle is 100mm.
What is 50mm?
500
The diameter of this circle is 194.68
What is 62
500
The Diameter for this circle is 3285
What is 10314.9
500
The area of the circle if the diameter is 14km.
What is 153.94km?