29/09/2023
TIL that the Pythagorean theorem must have been known before Pythagoras, because it is used in a proof on a Babylonian clay tablet dated about 12 centuries before the birth of Pythagoras.
IM 67118, also known as Db2-146, is an Old Babylonian clay tablet in the collection of the National Museum of Iraq that contains the solution to a problem in plane geometry concerning a rectangle with given area and diagonal. In the last part of the text the solution is proved correct by means of th...