单词	Pythagoras' theorem
释义	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.
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