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  • 02-01-2023
  • Mathematics
contestada

Un haltère en acier est composé d'un cylindre de hauteur 0.2 m et donc la base est un disque de diamètre 3 cm sur lequel sont soudées deux boule identiques de diamètre 1.2 dm .

Déterminer le volume exact , en dm3,de cet haltère puis arrondi au centième de cm3.

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