n. theorem that the square on the hypo-tenuse of a right-angled triangle is equal to the sum of the squares on the other two sides. [Pythagoras (6th c. Sc), name of a Greek philosopher]
n. theorem that the square on the hypo-tenuse of a right-angled triangle is equal to the sum of the squares on the other two sides. [Pythagoras (6th c. Sc), name of a Greek philosopher]