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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)
Finding Area
(Find area for all)
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 diameter for this circle is 10
What is 31.4
100
The radius of this circle is 3
What is 28.26
200
The longest chord in a circle
What is the Diameter
200
The diameter is 62.4
What is 31.2.
200
The radius of this circle is 11.25
What is 22.5.
200
The diameter for this circle is 13
What is 40.82
200
The radius of this circle is 9.
What is 254.34
300
A line through the circle.
What is a chord?
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 diameter of this semi-circle is 12.
What is 56.52.
400
The total amount of space inside of a circle
What is the area?
400
The diameter of this circle is 437
What is 218.5?
400
The circumference of this circle is 18.84
What is 6
400
The diameter for this semi-circle is 45
What is 70.65.
400
The radius of this quarter-circle is 12.
What is 113.04.
500
3.14 or 22/7
What is pi?
500
The circumference of this circle is 169.56.
What is 27.
500
The circumference of this circle is 194.68.
What is 62
500
The radius for this quarter-circle is 16.
What is 25.12
500
The diameter of this quarter-circle is 20.
What is 78.5.