Question Number 118362 by Ar Brandon last updated on 17/Oct/20
$$\mathrm{Prove}\:\mathrm{that}\:\boldsymbol{\pi}\:\mathrm{is}\:\mathrm{an}\:\mathrm{irrational}\:\mathrm{number} \\ $$
Answered by MJS_new last updated on 17/Oct/20
$$\mathrm{search}\:\mathrm{the}\:\mathrm{www} \\ $$$$\mathrm{there}\:\mathrm{are}\:\mathrm{several}\:\mathrm{proofs},\:\mathrm{no}\:``\mathrm{easy}''\:\mathrm{one}. \\ $$