104 E
QIDI
98 Un carré bordé
On entoure un carré bleu de côté 2 cm par une bande de
...
Mathematics, 19.02.2021 17:10 suzieuzie
104 E
QIDI
98 Un carré bordé
On entoure un carré bleu de côté 2 cm par une bande de
largeur x (en cm) pour obtenir un autre carré.
1. a. Exprimer l'aire du carré ainsi
obtenu, en cm2, en fonction de x.
b. Calculer x pour que l'aire du grand
carré soit égale à 64 cm2.
2. Calculer x pour que l'aire du grand
carré soit le double de l'aire du carré
bleu.
105) E
a. 2
106
2. Ea
aq. 3
Answers: 3
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