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Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Finding
(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

What is 10

100

The diameter for this circle is 10

What is 30?

100

The circumference is 12

What is 4?

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 39

200

The radius of this circle is 3

What is 24

300

A line through the circle.

What is a chord?

300

The circumference is 30

What is 180

300

The circumference of this circle is 15

What is 5

300

The diameter of this circle is 25

What is 75

300

The radius of this circle is 21

What is 126

400

The formula is Diameter divided by 2 or d/2


What is the radius?

400

The circumference of a circle is 600

What is 100?

400

The circumference of this circle is 18

What is 6

400

The radius for this circle is 45

What is 270?

400

The circumference of this circle is 162

What is 54

500

The formula is 3 x d

What is circumference?

500

The diameter of this circle is 150

What is 75

500

The radius is 150

What is 300

500

The Radius for this circle is 325

What is 1,950?

500

The circumference of this circle is 693

What is 231