bonjour
AB² = CB² + CA²
AB² = 5.4² + 7.2² = 81
AB = √81 = 9 cm
AM/AC = AN/AB = MN/CB
6/7.2 = MN/5.4
MN = ( 6 * 5.4 ) : 7.2 = 4.5 cm
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bonjour
AB² = CB² + CA²
AB² = 5.4² + 7.2² = 81
AB = √81 = 9 cm
AM/AC = AN/AB = MN/CB
6/7.2 = MN/5.4
MN = ( 6 * 5.4 ) : 7.2 = 4.5 cm