O teorema de Pitágoras, por Ana Paula da Silva Cruz - 3 lugar
Autor: Professor Josandro | Publicado: 2010-11-17T15:55:00-08:00

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O teorema de Pitágoras é considerado uma das principais descobertas da matemática, ele descreve uma relação existente no triangulo retângulo.Foi através do teorema de Pitágoras que os conceitos e as definições de números irracionais começaram a ser introduzidos na matemática. O primeiro irracional a surgir foi ·, que apareceu ao ser calculado a hipotenusa de um triangulo retângulo com catetos medindo 1.Vale lembrar que o triangulo retângulo pode ser identificado pela existência de ângulo reto, isto é, medindo 90˚. O triangulo retângulo é formado por dois catetos e a hipotenusa, que constitui o maior segmento do triangulo e é localizado no lado oposto ao ângulo reto.