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6409
@6409
January 2021
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Svp aidez moi pour l'exercice 2, merci.
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winner123
Verified answer
Bonjour
périmètre = 2 ( 3 + x + 4) = 6 + 2 x + 8 = 2 x + 14
aire = 4 ( 3 + x) = 12 + 4 x
si x = 1.5, P = 2 ( 1.5 + 3 + 4) = 2*8.5 = 17 cm
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supersong
Verified answer
Bonjour,
a)
Aire rectangle = L x l, Perimetre rectangle = (2*L)+(2*l)
Longeur = x + x + 3 = 2x + 3
largeur = 4
Perimetre = 2*(3x+2) + (2*4) = 6x + 4 + 8 = 6x + 14
Perimetre = 6x + 14
b)
Pour x = 1.5
6 * 1.5 + 14
= 3 + 14
= 17 cm
Si x = 1.5 alors Perimetre = 17cm
1 votes
Thanks 1
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Lista de comentários
Verified answer
Bonjourpérimètre = 2 ( 3 + x + 4) = 6 + 2 x + 8 = 2 x + 14
aire = 4 ( 3 + x) = 12 + 4 x
si x = 1.5, P = 2 ( 1.5 + 3 + 4) = 2*8.5 = 17 cm
Verified answer
Bonjour,a)
Aire rectangle = L x l, Perimetre rectangle = (2*L)+(2*l)
Longeur = x + x + 3 = 2x + 3
largeur = 4
Perimetre = 2*(3x+2) + (2*4) = 6x + 4 + 8 = 6x + 14
Perimetre = 6x + 14
b)
Pour x = 1.5
6 * 1.5 + 14
= 3 + 14
= 17 cm
Si x = 1.5 alors Perimetre = 17cm