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 units?

100

The radius of this is 5

What is 10 units?

100

The diameter for this circle is 10

What is 31.4 units?

100

The radius of this circle is 2

What is 12.56 units2?

200

The longest chord that goes across the center point.

What is the Diameter?

200

The diameter is 12

What is 6 units?

200

The radius of this circle is 2.5

What is 5 units?

200

The diameter for this circle is 13

What is 40.82 units?

200

The radius of this circle is 3

What is 28.26 units2?

300

A line through the circle - does not need to be through the middle.

What is a chord?

300

The diameter of this circle is 27

What is 13.5 units?

300

The circumference of this circle is 15.7

What is 5 units?

300

The diameter of this circle is 25

What is 78.5 units?

300

The radius of this circle is 21

What is 1384.74 units2?

400

The total amount of space inside of a circle

What is the area?

400

 unitsThe diameter of this circle is 437

What is 218.5?

400

The circumference of this circle is 18.84

What is 6 units?

400

The radius for this circle is 45

What is 282.6 units?

400

The radius of this circle is 52.4

What is 8621.6864 units2?

500

3.14 or 22/7

What is pi?

500

The diameter of this circle is 0.325

What is 0.1625units?

500

The diameter of this circle is 194.68

What is 194.68 units?

500

The Diameter for this circle is 3285

What is 10314.9 units?

500

The radius of this circle is 6955

What is 151888158.5 units2?

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