Respuesta :

[tex] \bf \textit{area of a square}\\\\
A=s^2~~
\begin{cases}
s=length~of\\
\qquad a~side\\[-0.5em]
\hrulefill\\
A=200
\end{cases}\implies 200=s^2\implies \sqrt{200}=s\implies 14.142\approx s [/tex]

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