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Un patrat are perimetru 4/5 m.
Ce lungime are latura ?
va roog ajuatima


Răspuns :

[tex] P_{p} = \frac{4}{5} [/tex]
[tex] l_{p} = P_{p} :4[/tex]
[tex] l_{p} = \frac{4}{5} :4= \frac{4}{5} : \frac{4}{1} = \frac{4}{5} * \frac{1}{4} = \frac{4}{20} = \frac{1}{5} m.[/tex]