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 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 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 radius for this circle is 6.5

What is 40.82

200
The radius of this circle is 3
What is 28.26
300

An incomplete circle.

What is a sector

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
3.14 or 22/7
What is pi?
400

The circumference of this circle is 1.0205

What is 0.1625

400

The circumference of this circle is 194.68

What is 62

400

The Diameter for this circle is 3285

What is 10314.9

400
The radius of this circle is 6955
What is 151888158.5
500
The total amount of space inside of a circle
What is the area?
500

The circumference of this circle is 1,372.18.

What is 218.5?

500
The circumference of this circle is 18.84
What is 6
500

The area for this circle is 6358.5

What is 282.6

500

The diameter of this circle is 104.8

What is 8621.6864