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Danylinn
@Danylinn
January 2021
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Bonjour, voici mon exercice :
Si on diminue de 1.8 cm la longueur d'un rectangle, on obtient un carré dont le périmetre est de 12.8 cm.
Quelles sont les dimensions du rectangle ?
Merci.
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AhYan
Coté carré => 12,8/4 = 3,2cm
3,2+1,8= 5 cm
Donc la longueur du rectangle est 5cm et la largeur est de 3,2cm.
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Danylinn
Merci :)
AhYan
de rien !
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3,2+1,8= 5 cm
Donc la longueur du rectangle est 5cm et la largeur est de 3,2cm.