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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)
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
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 13

What is 81.64

300
A line through the circle.
What is a chord?
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
400
The total amount of space inside of a circle
What is the area?
400

The circumference of this circle is 437 cm

What is 69.59 cm?

400
The circumference of this circle is 18.84
What is 6
400
The radius for this circle is 45
What is 282.6
500
3.14 or 22/7
What is pi?
500

The circumference of this circle is 325 in.

What is 51.75 in.

500

The circumference of this circle is 194.68

What is 62

500
The Diameter for this circle is 3285
What is 10314.9