Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference 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 5 miles, what is the diameter? 

10 miles

100
The diameter for this circle is 10
What is 31.4
100

The radius of this circle is 2 units

What is 12.56 units2

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 in, what is the diameter? 

5 in

200
The diameter for this circle is 13
What is 40.82
200

The radius of this circle is 3 units

What is 28.26 units2

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 ft, what is the diameter 

5 ft

300
The diameter of this circle is 25
What is 78.5
300

The radius of this circle is 21 units

What is 1384.74 units2

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 cm, what is the diameter?

6 cm

400
The radius for this circle is 45
What is 282.6
400

The radius of this circle is 52.4 in

What is 8621.6864 in2

500
3.14 or 22/7
What is pi?
500
The diameter of this circle is 0.325
What is 0.1625
500

The circumference of this circle is 194.68 ft, find the diameter.

62 ft

500
The Diameter for this circle is 3285
What is 10314.9
500

The radius of this circle is 123 ft

What is 47,505.06 ft 2

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