Respuesta :

From the pic, we can conclude:

[tex]\frac{4}{n}=\frac{n}{8}[/tex]

Solve for n:

[tex]\begin{gathered} 32=n^2 \\ n^2=32 \\ n=\sqrt[]{32} \\ so\colon \\ n=4\sqrt[]{2} \end{gathered}[/tex]

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