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MarineJessica17
@MarineJessica17
January 2021
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Exercice 5 la pyramide help please
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rikabreizh
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On a une base carré de 35.05m de côté,il faut calculer avec Pythagore la diagonale de ce carré
AC²=AB²+BC²
AC²=35.5²+35.5²
AC²=2520.5
AC=√2520.5
AC≈50.2
AH= 1/2 AC=25.1m
SA²=SH²+AH²
⇒SH²=SA²-AH²
SH²=33.14²-25.1²
SH²=1098-630
SH²=468
SH=√468
SH=21.63m
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MarineJessica17
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MarineJessica17
January 2021 | 0 Respostas
Je n'ai rien compris aidez moi svp !! Pour le 1 de l'ex 4!!
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Verified answer
On a une base carré de 35.05m de côté,il faut calculer avec Pythagore la diagonale de ce carréAC²=AB²+BC²
AC²=35.5²+35.5²
AC²=2520.5
AC=√2520.5
AC≈50.2
AH= 1/2 AC=25.1m
SA²=SH²+AH²
⇒SH²=SA²-AH²
SH²=33.14²-25.1²
SH²=1098-630
SH²=468
SH=√468
SH=21.63m