January 2021 0 53 Report
Bonjour :) ABC est un triangle : AB = 2x ; BC = 2x+5 ; AC = 3x-4
1) Ecrire le périmètre du triangle abc en fonction de x en vous justifiant.
2) Calculer ce perimetre lorque x = 6cm
3) Calculer ce périmètre lorsque BC = 15cm
Merci :)
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