If a rectangle has a width of 5 and a perimeter of 26 what is the length of the rectangle

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asked Sep 13, 2020 112k views

3 votes

If a rectangle has a width of 5 and a perimeter of 26 what is the length of the rectangle

Mathematics
middle-school

Felix Av asked

by Felix Av

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$\bf \textit{perimeter of a rectangle}\\\\ P=2(L+w)~~ \begin{cases} L=length\\ w=width\\[-0.5em] \hrulefill\\ w=5\\ P=26 \end{cases}\implies 26=2(L+5)\implies \cfrac{26}{2}=L+5 \\\\\\ 13=L+5\implies 8=L$

Siful Islam answered Sep 17, 2020

by Siful Islam

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