zone of a sphere

2 posts / 0 new
Last post
Christopher Rex Melgazo Palo's picture
zone of a sphere

derive the formula of a ZONE of a SPHERE???

Romel's picture
Re: zone of a sphere

I think integration will do, I did not try it though. Here is the derivation of total surface area of the sphere by integration:

It is interesting to note that the area of spherical zone, $A = 2\pi rh$ will become area of the sphere if $h = 2r$.