Circle Terms
Finding Radius
Finding Diameter
Finding Circumference
Finding 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 diameter for this circle is 10
What is 31.4
100

The radius of this circle is 2

What is 12.56

200

3.14 or 22/7

What is pi?

200
The diameter is 12
What is 6
200

The radius of this circle is 18.84

What is 37.68

200

The Diameter for this circle is 45

What is 282.6

200

The radius of this circle is 4

What is 50.24

300

The total amount of space inside of a circle

What is the area?

300
The diameter of this circle is 27
What is 13.5
300
The radius of this circle is 2.5
What is 5
300
The diameter for this circle is 13
What is 40.82
300

The radius of this circle is 3

What is 28.26

400
The longest chord in a circle
What is the Diameter
400

The diameter of this circle is 0.325

What is 0.1625

400
The circumference of this circle is 15.7
What is 5
400
The diameter of this circle is 25
What is 78.5
400

The radius of this circle is 21 mm

What is 1384.74 mm2

500
A line through the circle.
What is a chord?
500

The area of this circle is 50.24 mm2

What is 4 mm

500

The circumference of this circle is 194.68 cm

What is 62 cm

500

The radius for the circle is 3285 cm

What is 20629.8 cm

500

The radius of this circle is 6955

What is 151888158.5

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