Comment calcule t on l aire du triangle  ABC  dont la hauteur AB est de 3 cm  le côté BC est de 7 cm et le côté AC est de 7,5 cm merci

By: USER7337
26 Agustus 2025 mathematiques 5 minutes
4.5
134 views 134 comments 13 shares

Question

Grade: Education Subject: mathematiques
Comment calcule t on l aire du triangle  ABC  dont la hauteur AB est de 3 cm  le côté BC est de 7 cm et le côté AC est de 7,5 cm merci
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Answer (134)

Best Answer
(163)
aire d'un triangle = base * hauteur/2
                            =7.5*3 /2
                              = 11.25 cm ²
                           
Answered on 26 Agustus 2025
(55)
21:2=10,5 cm² donc ton aire = 10,5
c'est facile !!
Answered on 26 Agustus 2025

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