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Find Out Things About Right Spheres

This page will help you calculate things about a sphere.

Notes about spheres:

  • The radius R, or the distance from the center of a sphere to its edge, is usually the defining property of a sphere.
  • The diameter, or the distance across a sphere that passes through the center of the sphere is 2R (twice the radius).
  • The surface area of a sphere is 4R2.
  • The volume enclosed by a sphere is 4/3R3.
  • Note that =3.1415926535...

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