Enter only ONE known property and leave all the others blank. Those unknown properties will be computed and displayed here.
The Basic Spherical Elements
$R$ = Radius of Sphere $C$ = Circumference or perimeter $A$ = Area of Surface $V$ = Volume $\large\pi$ = 3.14159265358979323846264338327950... ad nauseam.
The Relevant Spherical Equations Given the radius $R$: $ \begin{align*} C ~=~ 2\pi R ~~~~~~~~~~~~~~~~~~~~~~~~ A ~=~ 4\pi R^2 ~~~~~~~~~~~~~~~~~~~~~~~~ V ~=~ \frac{4\pi R^3}{3} \end{align*} $ To obtain the radius $R$ from the $C$, $A$ or $V$ values: $ \begin{align*} R ~=~ \frac{C}{2\pi} ~~~~~~~~~~~~~~~~~~~~~~~~ R ~=~ \sqrt{\frac{A}{4\pi}} ~~~~~~~~~~~~~~~~~~~~~~~~ R ~=~ \sqrt[\large3]{\frac{3V}{4\pi}} \end{align*} $ Jay Tanner - v2.0 - 2023
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