# Sphere is the object that has the minimal area for a fix volume, proof

1. Feb 17, 2013

### andonrangelov

Can someone give a proof of the statement: “For fix volume a 3-D objects that has minimal surface area is the sphere” ?

2. Feb 17, 2013

### mathman

3. Feb 17, 2013

### rbj

Re: sphere is the object that has the minimal area for a fix volume, p

didn't seem too helpful. maybe it needs some LaTeX formatting

i could tell some of the ? marks were supposed to be $\pi$, but there were some connections i could not make in the derivation.

4. Feb 17, 2013