Dans la tâche précédente, que se passe-t-il lorsque le nombre de côté des polygones réguliers augmentent?[br]Écris tes observations:
Selon tes observations de la tâche précédente, peux-tu trouver la façon de calculer l'aire du disque à partir du rayon? Explique ta réponse.
Est-ce que la formule correspond à ta description donnée précédemment? Explique ta réponse.
Applique maintenant la formule pour trouver l'aire du cercle suivant:[br][img]data:image/png;base64,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[/img][br]
Quelle est l'aire de ce disque?[br][img]data:image/png;base64,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[/img]
Quelle est l'aire de ce disque?[br][img]data:image/png;base64,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[/img]