Respuesta :

bartdrinksmalk
The two triangles are similar (because the angle at the top is a right angle), so we have the proportion
[tex]\frac{4}{8}=\frac{8}{x}[/tex]
[tex]\rightarrow4x=8*8[/tex]
[tex]\rightarrow4x=64[/tex]
[tex]\rightarrow x=16[/tex]

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