On 12/11/2013 2:27 PM, fom wrote: > On 12/11/2013 1:50 PM, quasi wrote: >> scattered wrote: >>> quasi wrote: >>>> >>>> Call an n-gon rational if all edge lengths are rational. >>>> For n > 6, does there exist a rational n-gon which can be >>>> inscribed in a unit circle? >>> >>> Why not multiply your question by the LCM? When can n-gons >>> whose sides are integers be inscibed inside of a circle of >>> integer radius? >> >> Yes, it's the same question. >> >> I just chose to state the question using radius 1 and rational >> edge lengths. >> >> quasi >> > > If you state the question so that both > the radius and the side are even natural > numbers, would this not reduce to a question > concerning Pythagorean triples? >
Sorry. That is probably wrong.
There may be some subclass for which the question may be reduced in that manner.