Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Miscellaneous
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 31.4?

100

A diameter goes around a circle this many times

What is 3?

200

The longest line 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 40.82?

200

When you have the radius you can use this formula to find the diameter

D=2r

300

The plural of radius

What is radii?

300

The diameter of this circle is 27

What is 13.5?

300

The circumference of this circle is 15.7

What is 5?

300

The diameter of this circle is 25

What is 78.5?

300

In order to find the circumference of a semicircle you must do this

What is divide by 2?

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 circumference of this circle is 18.84

What is 6?

400

The radius for this circle is 45

What is 282.6?

400

Pi is considered to be this type of number

What is irrational?

500

3.14 

What is Pi?

500

The diameter of this circle is 0.325

What is 0.1625?

500

The diameter of this circle is 194.68

What is 62?

500

The diameter for this circle is 3285

What is 10 314.9?

500

Pi is a number that never does these two things

What is ends and repeats?

M
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