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 10π 

100

The radius of this circle is 2

What is 4π 

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 diameter for this circle is 13

What is 13π 

200

The radius of this circle is 3

What is 9π 

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 5π 

What is 5

300

The diameter of this circle is 25

What is 25π 

300

The radius of this circle is 21

What is 441π 

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 circumference of this circle is 6π 

What is 6

400

The radius for this circle is 45

What is 90π 

400

The radius of this circle is 15

What is 225π 

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 62π 

What is 62

500

The radius for this circle is 25

What is 50π 

500

The radius of this circle is 20

What is 400π 

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