C’est l’exercice D C’est sur le théorème de Pythagore pouvez-vous m’aider s’il vous plaît merci.... Pergunta de ideia deornella3

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January 2021 1 129 Report

C’est l’exercice D C’est sur le théorème de Pythagore pouvez-vous m’aider s’il vous plaît merci

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catherine1234 Bonsoir,

(x+8)² = 28² + x²
x² + 16x + 64 = 784 + x²
x² - x² + 16x = 784 - 64
16x = 720
x = 720 / 16
x = 45

vérification:
(45 + 8 )² = 28² +45²
2809 = 784 + 2025
2809 = 2809

0 votes Thanks 1

ornella3 Merci infiniment

catherine1234 de rien

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