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Valerieroland
@Valerieroland
May 2019
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Bonsoir,j ai besoin d'aide
(AH) est la hauteur du triangle ABC issue de A
AB 10CM
BH 8CM
HC 2,5 CM
Calculer la longueur AH
En déduire la longueur AC
Le triangle ABC est il rectangle?MERCI
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Commentaires (4)
Verified answer
Bonjour,
1) AHB rectangle en H
AB²=BH²+AH²
AH² =AB²-BH²
calcules AH
2) AHC rectangle en H
AC² = AH²+HC²
calcules AC
3) ABC rectangle en A si BC² = AB²+AC²
calcule BC²,
puis AB²+AC²
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Verified answer
Bonjour,1) AHB rectangle en H
AB²=BH²+AH²
AH² =AB²-BH²
calcules AH
2) AHC rectangle en H
AC² = AH²+HC²
calcules AC
3) ABC rectangle en A si BC² = AB²+AC²
calcule BC²,
puis AB²+AC²