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The perimeter of a rectangular pool is 56 meters. If the length of the of the pool is 16 meters,then find it's width

Respuesta :

[tex] \bf \textit{perimeter of a rectangle}\\\\ P=2(L+w)~~ \begin{cases} L=length\\ w=width\\[-0.5em] \hrulefill\\ P=56\\ L=16 \end{cases}\implies 56=2(16+w)\implies \cfrac{56}{2}=16+w \\\\\\ 28=16+w\implies 12=w [/tex]

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