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Sagot :

VINS

bonjour

AC² = 3 ² + 4 ² = 9 + 16 = 25

AC = √25

CB² = 5² + 7² = 25 + 49 = 74

CB = √74

AB² = 36 + 64 = 100

AB = √100

74 + 25 = 100

99 ≠ 100

donc ABC non rectangle

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