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 12

What is 6?

100

The radius of this is 5

What is 10?

100

The diameter for this circle is 10

What is 31.4 (or 30 estimation)?

100

The radius of this circle is 2

What is 12.56 (or 12 estimation)?

200

From one end of a circle to the other through the center

What is the Diameter?

200

The diameter is 5

What is 2.5?

200

The radius of this circle is 14

What is 28?

200

The diameter for this circle is 6

What is 18.84 (or 18 estimation)?

200

The radius of this circle is 3

What is 28.26 (or 27 estimation)?

300

The ratio of circumference to diameter

What is pi?

300

The diameter of this circle is 26

What is 13?

300

The circumference of this circle is 15.7 (or 15)

What is 5

300

The diameter of this circle is 25

What is 78.5 (or 75 estimation)?

300

The radius of this circle is 20

What is 1256?

400
The total amount of space inside of a circle
What is the area?
400

The circumference of this circle is about 60

What is 10?

400

The circumference of this circle is 18.84 (or 18)

What is 6?

400

The diameter for this circle is 7

What is 21.98 (or 21 estimation)?

400

The diameter of the circle is 4

What is 12.56 (or 12 estimation)?

500
3.14 or 22/7
What is pi?
500

The circumference of this circle is 99

What is 16.5?

500

The circumference of this circle is 6.28 (or 6)

What is 2 (about 2.09)?

500

The Diameter for this circle is 24

What is 72 (or 75.32 estimation)?

500

The diameter of the circle is 10cm

78.5cm squared (or 75cm squared estimation)?