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 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 40.82
200
The radius of this circle is 3
What is 28.26
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 15.7
What is 5
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 circumference of this circle is 18.84
What is 6
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 area of this circle is 63.585 sq.mm. This is its radius. 

What is 4.5 mm?

500

The circumference of this circle is 194.68

What is 62

500

The area of this circle is 1017.36 sq.in. This is its circumference. 

What is 113.04 in

500

The circumference of this circle is 62.8 cm. This is its area...

What is 314 sq. cm.

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