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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)
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 is 2

12.5

200

The line that goes from one side to the other side of a circle through the center.

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 is 6

113

300

 the number for pi?

What is 3.14?

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 is 10

314

400

The line around a circle

What is the circumference?

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 circle is 3285

What is 10314.9

400

The diameter is 10

78.5
500

This how many times the diameter goes around the circle.

What is pi or 3.14

500

The diameter of this circle is 2280

What is 1140

500
The diameter of this circle is 194.68
What is 62
500

The radius for this circle is 45

What is 282.6

500

The diameter is 18

254.3