Mathematics, 11.07.2019 13:00 kikiwaka1
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
Answers: 1
![\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](/tpl/images/0077/1634/15c8e.png)
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