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selay
@selay
June 2021
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Bonjour aidez moi svp je ne comprend rien
On pose une échelle de 5 m contre le mur d'une maison. L'échelle atteint la base du toit à 3.50 m du sol.
a. A quelles distance du sol la base de l'échelle est-elle posée ?
b. Quel est l'angle d'inclinaison de l'échelle ?
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