Radius
Diameter
Circumference
Circle Vocab
100

The diameter of the circle is 10

What is 5?

100

The radius of the circle is 4

What is 8?

100

The diameter of the circle is 12

What is 37.68?

100

The distance from the center of a circle to the outside, also half of the diameter

What is radius?

200

The diameter of the circle is 16

What is 8?

200

The radius of the circle is 22

What is 44?

200

The diameter of the circle is 10

What is 31.4?

200

The distance from one point on a circle, through the center, to another point on the circle


What is the Diameter?

300

The diameter of the circle is 88

What is 44?

300

The radius of the circle is 45.2

What is 90.4?

300

The diameter of the circle is 62.5

What is 196.25?

300
The distance around a circle

What is circumference?

400

The circumference of the circle is 7,850

What is 1,250?

400

The circumference of the circle is 28.26

What is 9?

400

The radius of the circle is 18

What is 113.04?

400

The center of the circle

midpoint

500

The circumference of the circle is 452.16

What is 72?
500

The circumference of the circle is 1,133.54

What is 361?

500

The radius of the circle is 50.25

What is 315.57?

500

The number we use to represent pi

What is 3.14?