Pythagoras' theorem
/pʌɪˈθaɡ(ə)rəs
/noun
A theorem attributed to Pythagoras that the square on the hypotenuse of a right-angled triangle is equal in area to the sum of the squares on the other two sides.Suffice it to say that the headaches of algebra, Pythagoras' theorem, and geometry didn't tickle his fancy....
- By chapter two he is proving Pythagoras' theorem from first principles and introducing non-Euclidean geometry.
- The Sulba Sutras demonstrate that India had Pythagoras' theorem before the great Greek was born.
- out of sight
- out of sight, out of mind
- out of sorts
- out of square
- out-of-state
- out-of-stater
- out of temper
- out of the blue
- out of the box
- out of the common
- out of the frying pan into the fire
- out of the game
- out of the handicap
- out of the ordinary
- out of the (or one's) road
- out of the picture
- out of the question
- out of the way
- out-of-the-wayness
- out of (the) whole cloth
- out of the wood (or woods)
- out of this world
- out of time
- out of touch
- out-of-town