Răspuns :

Kitty200704id

[tex]lungimea =3 \frac{1}{4} \times latime = \frac{3 \times 4 + 1}{4} \times 8 = \frac{13}{4} \times \frac{8}{1} = 13 \times 2 = 26cm[/tex]

[tex]perimetrul = 2 \times (latime + lungime) = 2 \times (8 + 26) = 2 \times 34 = 68[/tex]

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