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. Résoudre cette équation et donner la longueur AN.

Answers: 3

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On donne la figure ci contre : M est un point du segment [AC] avec AM=4cm et MC=10cm.
-[AB] e...

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