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Lilou1789
@Lilou1789
May 2019
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Bonjour, aider moi vite ! Problème 4e pour demain. Expliquez moi!!! Merci d'avance!
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winner123
Verified answer
Bonsoir
périmètre = 3 x + 2 + x + 3 + 2 x + 1 =
6 x + 6
6 x + 6 = 18
6 x = 18 - 6
6 x = 12
x = 2
pour x = 2 , le périmètre =
18 cm
si x mesure 2
AB = 8 cm , AC = 5 cm et BC = 5 cm donc le triangle
est isocèle
1 votes
Thanks 1
Lilou1789
Merci!
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Verified answer
Bonsoirpérimètre = 3 x + 2 + x + 3 + 2 x + 1 = 6 x + 6
6 x + 6 = 18
6 x = 18 - 6
6 x = 12
x = 2
pour x = 2 , le périmètre = 18 cm
si x mesure 2
AB = 8 cm , AC = 5 cm et BC = 5 cm donc le triangle est isocèle