Circle Terms
Finding Radius
(find the radius for all)
Finding Area
(Find area for all)
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 circle is 2
What is 12.56
200

Line from one end of the circle to the other side that goes through the center

What is the Diameter

200
The diameter is 12
What is 6
200
The radius of this circle is 3
What is 28.26
300
3.14 or 22/7
What is pi?
300
The diameter of this circle is 27
What is 13.5
300

The diameter of this circle is 20

What is 314

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 quarter circle is 60

What is 2826

500
How many sides are in a circle

0

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

The dimater of this semi circle is 10

What is 39.25

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