SPHERE

Sphere













Definition

•A sphere is a symmetrical geometrical object. In non-mathematical usage, the term is used to refer either to a round ball or to its two-dimensional surface.

• It is perfectly symmetrical

•It has no edges or vertices

•It is not a polyhedron

• All points on the surface are the same distance from the center

AREA

Surface Area = 4 × π × r^2

VOLUME

Volume = (4/3) × π × r^3