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Kasa59
@Kasa59
May 2019
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Bonjour, urgent, j'ai besoin d'aide pour mon dm! Merci!
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chrystine
Verified answer
Bonjour
2)
SP= 15/cos(25)=16.5≈16 km
l'angle P=15/16=0.9375=arcsin(0.9375)=69.63≈70°
AP=
PS²=AP²+AS²
16²=AP²+15²
256=AP²=225
AP²=256-225
AP²=31
AP=√31
AP=5.5≈5 km
RM=8*tan(70)=21.9≈22 km
SA+AP+PR+RM
15+ 5 + 8 +22=50 km
donc guillaume ne reussira pas sa traversé
1 votes
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chrystine
pour trouver l'angle P ,tu divises le côté opposé par l'hypoténuse=15/16
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Bonjour, j'ai besoin d'un peu d'aide pour les ex 1 et 2 de mon DM. Merci!
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Bonsoir, j'aurais besoin d'un peu d'aide pour les ex 2 et 3 svp! Merci d'avance !
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Bonjour, merci de m'aider pour ces 2 exercices!
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Lista de comentários
Verified answer
Bonjour2)
SP= 15/cos(25)=16.5≈16 km
l'angle P=15/16=0.9375=arcsin(0.9375)=69.63≈70°
AP=
PS²=AP²+AS²
16²=AP²+15²
256=AP²=225
AP²=256-225
AP²=31
AP=√31
AP=5.5≈5 km
RM=8*tan(70)=21.9≈22 km
SA+AP+PR+RM
15+ 5 + 8 +22=50 km
donc guillaume ne reussira pas sa traversé