A polygon has more than 2 sides,
A cylinder has an inside and an outside.
Polygons (http://www.mathsisfun.com/geometry/polygons.html)

Serb language. Moj engleski je slab, mislio sam na krug ali tenks for answer

Translated: serb language. My English is bad, I thought the round but tenks for answer

Or are you asking if a cylinder was a prism?

If so, then yes.

http://en.wikipedia.org/wiki/Prism_(geometry)

Serb language moj engleski jezik je slab, I u pitanju sam mislio na krug a ne na valjak, moja greska ali hvala na odgovoru

Translated: serb language my english is poor, and I thought about the circle and not on the road, my mistake but thanks for your reply

serb language moj engleski jezik je slab, i u pitanju sam mislio na krug a ne na valjak, moja greska ali hvala na odgovoru

translated: Serb language my english is poor, and i thought about the circle and not on the road, my mistake but thanks for your reply

АскмеХелпДеск је матерњи језик енглески, као што смо глобално присуство.
Превод сајту, као што је Гоогле Транслате могу бити од користи за вас.