Respuesta :

the formula is

[tex]\begin{gathered} a^2+b^2=c^2 \\ a^2+4^2=8^2 \\ a^2+16=64 \\ a^2+16-16=64-16 \\ a^2=48 \\ a=\sqrt[\square]{48\text{ }} \\ a=4\sqrt[]{3} \end{gathered}[/tex]

answer:

the third side is

[tex]4\sqrt[]{3}[/tex]

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