Circle Vocab
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

The length of the line through the center of the circle with the line touching both sides

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 diameter for this circle is 13
What is 40.82
200
The radius of this circle is 3
What is 28.26
300

A curved line around the outside of a circle.

What is a circumference?

300
The diameter of this circle is 27
What is 13.5
300

The radius of this circle is 15.7

What is 30.14

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
The total amount of space inside of a circle
What is the area?
400
The diameter of this circle is 437
What is 218.5?
400

The radius of this circle is 18.84

What is 37.68

400
The radius for this circle is 45
What is 282.6
400
The radius of this circle is 15
What is 706.5
500
3.14
What is pi?
500
The diameter of this circle is 0.325
What is 0.1625
500

The circumference of this circle is 194.68

What is 61.96

500
The radius for this circle is 25
What is 157
500
The radius of this circle is 20
What is 1256
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