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# What is the relationship of the radius to the circumference?

Updated: 9/27/2023

Wiki User

12y ago

circumference is the distance around a circle

diameter is the distance from one point on the circle, straight across to the other side.

radius is distance from the center of the circle to any point on the circle

diameter = 2r

circumference = 2(pi)r

pi = 3.1415927

Wiki User

13y ago

Wiki User

14y ago

Circumference = 2(pi)r where pi = about 3.14 and r is the radius

Wiki User

12y ago

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Q: What is the relationship of the radius to the circumference?
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### What is the relationship between the radius and the circumference?

If the figure is truly a circle, then the circumference is (Radius) x (2 pi) .

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