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lauravermeeren37
@lauravermeeren37
May 2022
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quel qun pourrais m'aider svp
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celestedeffieux
voici les réponses pour ton exercice de maths ! ^^
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lauravermeeren37
merciii
soso7080
Réponse:bonjour,a) Calcul de la longueur LV avec la formule de Pythagore LM² = MV² + LV²12,5² = 7,5² + LV²LV² = 12,5² - 7,5²LV² = 156,25 - 56 25LV = √100LV = 10calcul de la longueur NBNK² = BK² + NB²5² = 4² + NB²25 = 16 + NB²NB² = 25 - 16NB = √9NB = 32) calcul de l'angle mcos (angle) = adjacent / hypothènuse cos (m) = 7,5/12.5(m) = cos-¹(7,5/12,5) ou acos(7,5/12,5) c'est selon les différentes calculatrices (m) = 53°L'angle m mesure 53°
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