Definition of Pythagorean theorem in US English:

Pythagorean theorem


  • A theorem attributed to Pythagoras that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.

    • ‘The Sulba Sutras demonstrate that India had Pythagoras' theorem before the great Greek was born.’
    • ‘By chapter two he is proving Pythagoras' theorem from first principles and introducing non-Euclidean geometry.’
    • ‘Among these is the enunciation (but not proof) of Pythagoras' theorem.’
    • ‘Suffice it to say that the headaches of algebra, Pythagoras' theorem, and geometry didn't tickle his fancy.’


Pythagorean theorem