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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 circle is 2.5
What is 5
100

The radius for this circle is 5

What is 31.4

100

The radius of this circle is 3

What is 28.3

200

The longest chord in a circle

What is the Diameter

200

The diameter is 27

What is 13.5

200
The circumference of this circle is 15.7
What is 5
200

The radius for this circle is 6.5

What is 40.8

200

The diameter of this circle is 42

What is 1385.4

300
The total amount of space inside of a circle
What is the area?
300

The circumference or this circle is 28

What is 4.46?

300
The circumference of this circle is 18.84
What is 6
300
The diameter of this circle is 25
What is 78.5
300

The diameter of this circle is 104.8

What is 8626.1

400
3.14 or 22/7
What is pi?
400

The area of this circle is 64π 

What is 8

400

The area of this circle is 169π

What is 26

400

The area for this circle is 49π 

What is 44

400

The circumference of this circle is 6π. 

What is 28.3