Circle Terms
Finding Radius
Finding Diameter
Circumference
Area
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

The radius of a circle is half the...

What is diameter?

100

The diameter of a circle is twice the...

What is radius?

100

Estimate the circumference if the diameter for the circle is 10

What is 30?

100
The radius of this circle is 2
What is 12.56
200
The longest chord in a circle
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 3
What is 28.26
300

The perimeter of the 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 21
What is 1384.74
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 radius for this circle is 45
What is 282.6
400
The radius of this circle is 52.4
What is 8621.6864
500
3.14 or 22/7
What is pi?
500
The diameter of this circle is 0.325
What is 0.1625
500

The circumference of this circle is 194.68

What is 62

500
The Diameter for this circle is 3285
What is 10314.9
500
The radius of this circle is 6955
What is 151888158.5
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