# Sphere Volume and Area

Sphere Volume and Area

Around 225 BC, Archimedes found formulas for the volume and surface area of a sphere, where is the radius. From stars to planets to fruits to fish eggs to green algae (volvox) to atoms and nuclei with zero angular momentum, the sphere is the most common shape in the universe.

V=π

4

3

3

r

S=4π

2

r

r