Mathematics, 29.05.2021 15:40, zoelynn7630

prove that in an obtuse angle triangle the square on the sides opposite to the obtuse angle is equal to the sum of the squares on the sides containing the obtuse angle together with 2 is the rectangle contained by one of the sides contained by one of the site and the projection on it of the other

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prove that in an obtuse angle triangle the square on the sides opposite to the obtuse angle is equal...