Circle Terms
Finding Radius
(find the radius for all)
Finding Area of Sectors
Finding Arc Length
Circle Mania
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 20

What is 10

100

The radius of this is 15 and the angle is 30

What is 58.9?

100

The radius is 8 and the angle is 30 degrees. 

What is 4.2?

100

This is what we name a solid 3 dimensional circle


What is sphere?

200

The longest chord in a circle

What is the Diameter

200

The diameter is 120

What is 60

200

The radius of this circle is 13 and the angle is 50

What is 73.7?

200

The radius is 14 and the angle is 90 degrees

What is 22?

200

This circle is a tasty treat that comes is all kinds of flavors like chocolate chip, peanut butter, or oatmeal

What is a cookie?

300

3.14 or 22/7

What is pi?

300

The diameter of this circle is 42.4

What is 21.2

300

The radius is 10 and the angle is 200

What is 174.5?

300

The radius is 12 and the angle is 340 degrees

What is 71.2?

300

These circles can be used to buy things (especially inexpensive things). You knoe times are always changing.

What are coins?

400

A line that touches the circle at one point

What is the tangent?

400

The diameter of this circle is 375

What is 187.5?

400

The radius is 16 and the angle is 175

What is 390.95?

400

The radius for this circle is 38 and the angle is 300 degrees

What is 199?

400

The Olympics use this many circles in the logo


What is 5?

500

A line that passes through a circle

What is a secant?

500

The diameter of this circle is 1

What is 0.5

500

The diameter is 24 and the angle is 260

What is 326.7?

500

The Diameter for this circle is 20 and the angle is 345 degrees

What is 60.21?

500

These circles help you move. For example, they are found on bikes, autos, planes, and skateboards.


What are tires or wheels?