Euclid's Elements Book 1: Proposition 46, Constructing a Square

Euclid's Elements Book 1: Proposition 46, Constructing a Square

This is the forty sixth proposition in Euclid's first book of The Elements. This construction proof shows how to build a square from a given line segment. A square is defined as a four sided figure having all equal sides and having all of its 4 angles equal to right angles.