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 is 5 cm

What is 10 cm

100

The diameter for this circle is 10 in

What is 31.4 in

100

The radius of this circle is 2 mm

What is 12.6 mm2

200

The distance across a circle. (all the way)

What is the Diameter

200
The diameter is 12
What is 6
200

The radius of this circle is 2.5 in

What is 5 in

200

The diameter for this circle is 13mm

What is 40.8 mm

200

The radius of this circle is 3 km.

What is 28.3 km2

300

The distance around a circle

What is circumference?

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

The radius of this circle is 15.7 mi

What is 31.4 mi

300

The diameter of this circle is 25 cm

What is 78.5 cm

300

The radius of this circle is 5 ft

What is 32.7 ft2

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 18.84 cm

What is 37.68 cm

400

The radius for this circle is 45 ft.

What is 282.6 ft


400

The radius of this circle is 52 in.

What is 8,494.9 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

What is 62 ft

500

The Diameter for this circle is 300 in.

What is 942.5 in

500

The diameter of this circle is 75 cm

What is 4,417.9 cm2

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