Bonjour,
Côté pyramide= 231 m
AH= 231/2= 115.5 m
OH= OA+AH= 163.4+115.5= 278.9 m
donc calcul de SH: utliser le th de Thalès, on a:
OB/OH= BT/SH
3.5/278.9= 1.73/SH
3.5 SH= 278.9x1.73
SH= 482.497/3.5
SH= 137.856 m
SH≈ 137.8 m
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Bonjour,
Côté pyramide= 231 m
AH= 231/2= 115.5 m
OH= OA+AH= 163.4+115.5= 278.9 m
donc calcul de SH: utliser le th de Thalès, on a:
OB/OH= BT/SH
3.5/278.9= 1.73/SH
3.5 SH= 278.9x1.73
SH= 482.497/3.5
SH= 137.856 m
SH≈ 137.8 m