Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference (Find Circumference for all)
Do NOT use yet
100

The line that goes from one side to the other through the center of a circle

What is the Diameter?

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.

(nearest hundredth)

What is 31.42?

100

The radius of this circle is 2

What is 12.56

200

The distance from the center of a circle to the outside

What is the Radius?

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.

(nearest hundredth)

What is 40.82?

200

The radius of this circle is 3

What is 28.26

300

Approximately 3.14 or 22/7

What is Pi?

300

The diameter of this circle is 27

What is 13.5?

300

The circumference of this circle is 15.7.

(nearest whole number)

What is 5?

300

The diameter of this circle is 12.

(nearest hundredth)

What is 37.70?

300
The radius of this circle is 21
What is 1384.74
400

The distance around the outside of a circle.

What is the Circumference?

400

The diameter of this circle is 437

What is 218.5?

400

The circumference of this circle is 18.84

(nearest whole number)

What is 6?

400

The radius for this circle is 45.

(nearest hundredth)

What is 282.74

400
The radius of this circle is 52.4
What is 8621.6864
500

Half of the Diameter

What is the Radius?

500

The Circumference of this circle is 78.5

(nearest tenth)

What is 12.5?

500

The circumference of this circle is 194.68.

(nearest whole number)

What is 62?

500

The Diameter for this circle is 3285.

(nearest hundredth)

What is 10320.13?

500
The radius of this circle is 6955
What is 151888158.5
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