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NGUYENSO9

Bonjour,

2)

Triangle KMN : MK = 6 cm // MN // KN = 3 cm

Triangle JMZ : MZ = 9 cm // MJ = 7,5 cm // ZJ

3) MN = (MK x MJ)/MZ

MN = (6 x 7,5)/9 = 5 cm

ZJ = (KN x MZ)/MK

ZJ = (3 x 9)/6 = 4,5 cm

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