Vocabulary
Radius to Diameter
100
A set of points in a plane that are al the same distance from given point called the center.
Circle
100
find the diameter with a radius of 6
12
200
The distance around the circle.
Circumference
200
Find the radius with a diameter of 20
10
300
A segment that connects the center to the circle.
Radius
300
find the diameter with a radius of 2.5
5.0
400
a segment that passes through the center of a circle and has both endpoints on the circle.
Diameter
400
find the diameter with the radius of 15
30
500
The ratio of the circumference of any circle to its diameter.
Pi[3.14]
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