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Sagot :

Réponse :

1) 5/3 - 1/3 = 4/3

AB = 4/3

2) P = (L + l) x 2, donc :

P = (2/9 + 4/3)2

  = (2/9 + 4 x 3/3 x 3)2

  = (2/9 + 12/9)2

  = 14/9 x 2

  = 28/9

3) A = L x l, donc :

A = 4/3 x 2/9

  = 4 x 2/3 x 9

  = 8/27

J'espere t'avoir aidé

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