Sphere Volume.

[Dieter]

(03-31-2016 11:29 AM)ggauny@live.fr Wrote:  4/3(PI*R^3)
(...)
But NASA (on his siteweb) say (PI*D^3)/6.

It is more easy and less steps, even I dont' see how go from first formulae to
NASA one ?

Take the first formula and replace R with D/2.
What do you get?

Dieter