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 formula to find the area of a circle

What is pi(r2)

200

A line segment with 2 points on the circle and passes through the center.

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 distance around a circle

What is circumference

200

The region inside of a circle

What is the area

300

A line with one point on the circle and the other on the center.

What is a radius?

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

The radius is 73

What is 146

300

To find circumference you multiply the diameter by it

What is pi(3.14)

300

The formula for area of a rectangle

What is LxW or BxH

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

It is 2 times the radius

What is the diameter

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 is 28.6

What is 14.3

500

The radius is 17

What is 34

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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