Réponse :
Bonjour
BM/x = 2/6 = 1/3
BM = x/3
FD = 4-x
Il faut que 4-x = x/3 --> 4 = 4x/3
--> x = 3
CF = 3
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Réponse :
Bonjour
BM/x = 2/6 = 1/3
BM = x/3
FD = 4-x
Il faut que 4-x = x/3 --> 4 = 4x/3
--> x = 3
CF = 3