Circle Terms
Find Radius
Find Diameter
Find Circumference
Find 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 radius for this circle is 10

What is 62.8

100
The radius of this circle is 2
What is 12.56
200

The longest segment 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 distance around the outside of the circle

What is a circumference?

300

The circumference of this circle is 27

What is 4.3

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 circumference of this circle is 437

What is 69.6?

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 diameter of this circle is 35

What is 962

500

The ratio of a circle's circumference to diameter, always 3.14

What is pi?

500

The area of this circle is 325

What is 10.2

500

The area of this circle is 194.68

What is 15.7

500

The area for this circle is 3285

What is 203

500

The circumference of this circle is 65

What is 336

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