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09-02-2020
Mathematics

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Perimeter of a mirror is 260. The length is x cm. Find the height of the mirror in terms of x

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jdoe0001 jdoe0001

10-02-2020

[tex]\bf \textit{perimeter of a rectangle}\\\\ P=2(L+h)~~ \begin{cases} L=length\\ h=height\\[-0.5em] \hrulefill\\ P=260\\ L=x \end{cases}\implies 260=2(x+h) \\\\\\ \cfrac{260}{2}=x+h\implies 130=x+h\implies 130-x=h[/tex]

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