colombeaunathalie colombeaunathalie
  • 24-11-2022
  • Mathematics
contestada

E
4,2 cm
L'écran 16/9 de Juliette a une longueur de
48 cm.
Cela signifie que le rapport
entre la longueur et la largeur
de l'écran est égal à 16/9.
1. Calculer sa largeur.
2. Peut-elle affirmer
qu'il s'agit d'un écran
20 pouces (écran dont
la diagonale mesure
environ 20 pouces) ?
1 pouce = 2,54 cm.

Respuesta :

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