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Alyssa93
@Alyssa93
May 2019
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Bonjour pouvez vous m'aider à cette exercice svp
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koné28
On a ABH rectangle en H , d'après la propriété de Pythagore, ab²= ah²+bh²
=> ah²=ab²-bh²
ah=√(ab²-bh²)
ah=√(11,5²-6,9²)
ah=9,200 cm
de même ACH rectangle en H
donc ac²=ah²+ch²
ac=√(ah²-ch²)
ac=√(√84,64²+15²)
ac=17,966cm
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Bonsoir qui pourrait m'aider svp je comprends rien merci d avance
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=> ah²=ab²-bh²
ah=√(ab²-bh²)
ah=√(11,5²-6,9²)
ah=9,200 cm
de même ACH rectangle en H
donc ac²=ah²+ch²
ac=√(ah²-ch²)
ac=√(√84,64²+15²)
ac=17,966cm