Posted By: Ray (Vsechno je forma protestu) on 'CZscience'
Title:     Re: Klady
Date:      Mon Aug 21 14:59:03 2006

> Otazka zni, existuje na svete nejaky jiny prurez nez kruhovy, kterym by se 
> ten dal nahradit aby to fungovalo stejne? tj. aby to "nedrncalo"?
> Prikladne ctvercovy prurez by drncal.
> Padesatiuhelnik se zaoblenymi rohy by taky drncal a navic to uz je skoro 
> ten kruh, takze to take neni spravna odpoved.
> 
> Kdo to vi, odpovi :-)

http://en.wikipedia.org/wiki/Reuleaux_triangle

  Ray