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1. A right triangle in which the lengths of the sides are three positive integers a, b, and c, such that a^2 + b^2 = c^2.
   "Conversely, if (x, y, z) is a Pythagorean triangle, then. (x/t9 y/t, z/t) is a primitive Pythagorean triangle provided (xs y) = t."

Type of: right triangle, right-angled triangle

Encyclopedia: Pythagorean triangle