Saturday, 12 March 2016

soft question - Are there any (interesting) consequences of the irrationality of π?

I am not sure how appropriate this question is for MO. If it is not, I apologize in advance but I could not resist asking it and if by any chance I get some interesting answers, it will for sure be very useful to keep my students excited about mathematics and physics as September arrives.



We all know very well that $pi$ (the ratio of the circumference of a circle to its diameter in Euclidean space) is irrational and even transcendental. These are some of the famous results in all mathematics.



So I was wondering what will go wrong if $pi$ was just an integer number?




Are
there important theorems that are based on the fact that it is actually irrational
and/or transcendental?


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