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Q: What is the relationship of the radius to the circumference?

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

For any given circle, the circumference is equal to the radius multiplied by 2 x pi.

The circumference is ALL the way around the circle, while the radius is only HALF way into the middle of the circle. I'm guessing you meant "What is the relationship between the radius of a circle and its circumference?" Radius is half of the diameter of a circle, circumference is PI times diameter; therefore, the circumference is PI times two times radius.

circumference of of circle / Radius of the circle

relationship of circumference and radius

Circumference = 2*pi*Radius Diameter = 2*Radius Circumference = pi*Diameter

Circumference=2 x pi x radius that is circumference=2 pi x r

Pi and the radius can be used to find the area (PiR^2) or the circumference (2RPi) of a circle, where R is the radius.

any circles circumference divided by its diameter will equal pi, or 3.14159 approximately

There is a constant relationship between the radius of a circle and its circumference. This is expressed in a formula.

Circumference = 2*pi*radius Radius = Circumference/(2*pi)

The radius is 1/2 of the circumference.

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