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Sagot :

Bonjour,

1)

AH = ?

Pythagore:

10² = 8² + AH²

10² - 8² = AH²

100 - 64 =36

AH = √36

AH = 6cm

2)

AH² + HC² = AC²

36 + 6,25 =42,25

AC = √42,25

AC =6,5cm

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