L’aire d’un polygone quelconque (9e-GM.1)
Dans cette vidéo, tu vas découvrir trois méthodes pour calculer l’aire de n’importe quel polygone quelconque, avec l’aide des formules des polygones particuliers.
Certaines méthodes sont plus astucieuses que d’autres ; à toi de choisir !
Thèmes
Nombres :
• Les nombres naturels
• Fractions
• Puissances et racines
Géométrie :
• Périmètre et aire de polygones
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