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Definition of Pythagorean theorem noun from the Oxford Advanced American Dictionary


Pythagorean theorem

NAmE//pəˌθæɡəˌriən ˈθɪrəm//
, NAmE//pəˌθæɡəˌriənˈθiərəm//
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the rule that, in a right triangle, the square of the hypotenuse (= the side opposite the right angle) is equal to the squares of the other two sides added together