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Maneee
@Maneee
April 2019
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Aidez moi svppppppppp
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Omnes
Salut,
a)
Pabcd(x) = 4x + 3x + 12x + 13x = 32x
Pefgh = 10x + 6x + 10x + 6x = 32x
On remarque que les deux périmètres sont identiques.
b)
Aabcd(x) = (12x * 5x) / 2 + (4x*3x) / 2 = 60x² / 2 + 12x² / 2 = 30x² + 6x² = 36x²
Aefgh(x) = 6x * 10x = 60x²
c)
On remarque que deux figures ayant le même périmètre n'ont pas forcément la même aire.
Bonne soirée !
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Lista de comentários
a)
Pabcd(x) = 4x + 3x + 12x + 13x = 32x
Pefgh = 10x + 6x + 10x + 6x = 32x
On remarque que les deux périmètres sont identiques.
b)
Aabcd(x) = (12x * 5x) / 2 + (4x*3x) / 2 = 60x² / 2 + 12x² / 2 = 30x² + 6x² = 36x²
Aefgh(x) = 6x * 10x = 60x²
c)
On remarque que deux figures ayant le même périmètre n'ont pas forcément la même aire.
Bonne soirée !