vermcelia07 vermcelia07

26-02-2024
Mathematics

contestada

ABCD est un parallélogramme tel que:
AB=4, AD=2 et BÂD=60 degré

a) calculer le produit scalaire de AB.AD
b) en déduire //AB+AD//^2
c) determiner la longueur AC, puis la longueur BD

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