On donne la figure ci contre :
M est un point du segment [AC] avec AM=4cm et MC=10cm.
-[AB] e...
Mathematics, 04.01.2021 19:40 zahrast14
On donne la figure ci contre :
M est un point du segment [AC] avec AM=4cm et MC=10cm.
-[AB] est un segment de longueur variable.
-N est le point du segment [AB] tel que NB=9cm et (MN) est parallèles à (BC).
On note AN = x cm (x > 0).
1. Exprimer la longueur AB en fonction de x.
2. Expliquer pourquoi
X/x+9=2/7
Justifier correctement.
3. RĂŠsoudre cette ĂŠquation et donner la longueur AN.
Answers: 3
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