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Mathematics, 12.01.2021 18:10 lolfunny124

La maison de Bastien comporte une fenêtre en forme d'octogone régulier dont l'apothème est de 4 dm et l'aire de 52,9 dm2. Bastien
veut construire un cadre autour de cette fenêtre.
Quelle doit-être la longueur minimale du cadre ?

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La maison de Bastien comporte une fenêtre en forme d'octogone régulier dont l'apothème est de 4 dm...

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