Area of circle (given radius)

Formula

Area of circle (given radius) formula
S
area
r
radius

Formula description

A circle is a simple shape of Euclidean geometry consisting of the set of points in a plane that are a given distance from a given point, the center. The distance between any of the points and the center is called the radius.

Calculator (how to use calculator?)

Area of circle (given radius) formula
r
S
Precision

Formula code

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References

  1. Wikipedia: Circle.

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