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Ncarpentiernathalie
@Ncarpentiernathalie
April 2019
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Math de 3 eme merci de m aider c urgent
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winner123
Verified answer
Bonsoir
Te = 13 - 9.6 = 3.4 cm
Bt² = 7.2 ² + 9.6² = 144
BT = √144
Bt = 12 cm
TB/TN = TV/TE = Bv/NE
12/TN = 9.6/3.4
9.6 Tn = 3.4 x 12
9.6 Tn = 40.8
Tn = 4.5 environ
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winner123
on fait un produit en croix
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Verified answer
BonsoirTe = 13 - 9.6 = 3.4 cm
Bt² = 7.2 ² + 9.6² = 144
BT = √144
Bt = 12 cm
TB/TN = TV/TE = Bv/NE
12/TN = 9.6/3.4
9.6 Tn = 3.4 x 12
9.6 Tn = 40.8
Tn = 4.5 environ