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.

What is radius

100
The Diameter of this circle is 5
What is 2.5
100

The radius of this circle is 5

What is 10

100
The diameter for this circle is 10
What is 31.4
100
The radius of this circle is 2
What is 12.56
200

The length across the circle through the middle.

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 semicircle is 3

What is 14.14

300

The length around the edge of the circle.

What is circumference.

300
The diameter of this circle is 27
What is 13.5
300

The radius of this circle is 15.7

What is 31.4

300
The diameter of this circle is 25
What is 78.5
300

The radius of this quarter circle is 8

What is 50.27

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 radius of this circle is 18.84

What is 37.68

400

The radius for this circle is 45

What is 282.6

400

The radius of this circle is 6.5

What is 132.665

500

The fraction Circumference/Diameter, which is roughly 3.14 for any circle.

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 radius for this circle is 3285

What is 20629.8

500

The radius of this quarter circle is 4.6

What is 16.61

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