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 10

What is 5

100

The radius of this circle 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 line segment that has both endpoints on the circle and goes through the center

What is the Diameter

200

The diameter of this circle is 20

What is 10

200
The radius of this circle is 2.5
What is 5
200

DOUBLE JEOPARDY!!!!! 

The diameter for this circle is 13

DOUBLE JEOPARDY!!!!!

What is 40.82

200
The radius of this circle is 3
What is 28.26
300

This point is in the middle of the circle and names the circle.

What is the center?

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

The radius of this circle is 3

What is 6

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 1

What is 2

400

The radius for this circle is 45

What is 282.6

400

The diameter of this circle is 30

What is 706.5

500
The distance around the circle

What is the circumference?

500
The diameter of this circle is 0.325
What is 0.1625
500

The radius of this circle is 5.5 inches 

What is 11 inches

500

The radius for this circle is 25

What is 157

500

The diameter f this circle is 40

What is 1256

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