Theorem in two-dimensional geometry that states that the square of the length of the longest side of a right triangle equals the sum of the squares of the lengths of the other two sides.
In mathematics, the Pythagorean theorem (American English) or Pythagoras's theorem (British English) is a relation in Euclidean geometry among the three sides of a right triangle.
For a right triangle with legs a and b and hypotenuse c, a^2+b^2=c^2. (1) Many different proofs exist for this most fundamental of all geometric theorems. The theorem can also be ...
Pythagoras' Theorem. 78 proofs of the Pythagorean theorem. ... An exceedingly well-informed report,' said the General. 'You have given yourself the trouble to go into matters ...