Savage Savage
  • 23-09-2023
  • Mathematics
Middle School

Un trapèze a une aire de 39 cm\(^2\). Sa grande base mesure le triple de sa petite base. Sa hauteur mesure 3 cm.

Trouve les dimensions des bases de ce trapèze.

Answer :

fishouttawater fishouttawater
  • 21-04-2024

Answer:

A = bh/2

39 = b*3/2

39*2 = b*3/2 * 2

78 = b*3

78/3 = b*3/3

26 = b.

Alors, la grande base est 26 cm et le petit base serait 26/3 = 8.67 cm arrondi.

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