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Sagot :

VINS

bonsoir

MN² = 3 ² + 3 ² = 18

MN = √18

MC² = 5 ² + 5 ² = 50

MC = √ 50

NC² = 2 ² + 8 ² = 68

NC = √ 68

18 + 50 = 68

donc il est rectangle en M

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