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Lola269
@Lola269
April 2019
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Dm Maison de maths
Urgent ce pour mercredi (demain)
a faire 1de 2 exercice SVP merci d'avance
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Commentaires (3)
Bonsoir
Exercice 1
1) Volume du cube =
Volume du pavé :
2) a = 3 cm
Volume du cube :
volume du pavé :
a = 3/7 cm.
Volume du cube :
Volume du pavé :
Exercice 2
1) La somme des 3 angles d'un triangle vaut 180°.
2) Triangle 1 :
x + 2x + 3x = 180°
6x = 180°
x = 180°/6
x = 30°
Réponse b)
Triangle 2 :
x + x + (x + 30°) = 180°
3x + 30° = 180°
3x = 180° - 30°
3x = 150°
x = 50°
Réponse d)
Triangle 3 :
x + (x + 30°) + (x + 60°) = 180°
3x + 90° = 180°
3x = 180° - 90°
3x = 90°
x = 90°/3
x = 30°
Réponse b)
1 votes
Thanks 1
lola269
Merciii beacouppp!!!
lola269
ouii vous enquitez pas et merci pour avoir consacree votre temps a mon Dm ce gentille
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Lista de comentários
Exercice 1
1) Volume du cube =
Volume du pavé :
2) a = 3 cm
Volume du cube :
volume du pavé :
a = 3/7 cm.
Volume du cube :
Volume du pavé :
Exercice 2
1) La somme des 3 angles d'un triangle vaut 180°.
2) Triangle 1 :
x + 2x + 3x = 180°
6x = 180°
x = 180°/6
x = 30°
Réponse b)
Triangle 2 :
x + x + (x + 30°) = 180°
3x + 30° = 180°
3x = 180° - 30°
3x = 150°
x = 50°
Réponse d)
Triangle 3 :
x + (x + 30°) + (x + 60°) = 180°
3x + 90° = 180°
3x = 180° - 90°
3x = 90°
x = 90°/3
x = 30°
Réponse b)