Réponse :
recopier et compléter le tableau
AB AC BC AM AN MN
24 16 18 20 13.33 15
20 14 15 8.57 6 6.43
32 26 40 14.4 11.7 18
Explications étape par étape
AM/AB = AN/AC ⇒ AN = AM x AC/AB = 20 x 16/24 = 13.33...33
AM/AB = MN/BC ⇒ MN = AM x BC/AB = 20 x 18/24 = 15
AN/AC = AM/AB ⇒ AM = AN x AB/AC = 6 x 20/14 = 8.57
AN/AC = MN/BC ⇒ MN = AN x BC/AC = 6 x 15/14 = 6.43
MN/BC = AM/AB ⇒ AM = MN x AB/BC = 18 x 32/40 = 14.4
MN/BC = AN/AC ⇒ AN = MN x AC/BC = 18 x 26/40 = 11.7
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Réponse :
recopier et compléter le tableau
AB AC BC AM AN MN
24 16 18 20 13.33 15
20 14 15 8.57 6 6.43
32 26 40 14.4 11.7 18
Explications étape par étape
AM/AB = AN/AC ⇒ AN = AM x AC/AB = 20 x 16/24 = 13.33...33
AM/AB = MN/BC ⇒ MN = AM x BC/AB = 20 x 18/24 = 15
AN/AC = AM/AB ⇒ AM = AN x AB/AC = 6 x 20/14 = 8.57
AN/AC = MN/BC ⇒ MN = AN x BC/AC = 6 x 15/14 = 6.43
MN/BC = AM/AB ⇒ AM = MN x AB/BC = 18 x 32/40 = 14.4
MN/BC = AN/AC ⇒ AN = MN x AC/BC = 18 x 26/40 = 11.7