Systerms : system terms : Pythagorean theorem

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The Pythagorean theorem is the same as the right triangle theorem, which means the sum of the squares of the two legs of a right triangle equals the square of the hypotenuse. The formula is a² + b² = c². This theorem is one of the most basic rules in geometry and is used to calculate the relationship between the sides of a right triangle, playing an important role in both Western and Chinese math history.

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