KnowraSquare root of 2Linked fromLinked fromThe 6 pages that link to Square root of 2, each with the reason it gives.All 6Broader topic 4Related 1Compared with 1Irrational numberBroader topic: Its irrationality has a short proof based on parity.Continued fractionBroader topic: Its continued fraction [1; 2, 2, 2, …] illustrates periodicity and unusually good approximations.Dedekind cutBroader topic: Its cut consists of rationals whose squares are below two and those above it.Mathematical constantBroader topic: Its irrationality makes it a classic example of a precisely defined constant.