Respuesta :

Solution:

[tex]\begin{gathered} Area\text{ of a square= \lparen length\rparen}^2 \\ 71=l^2 \\ l=\sqrt{71} \\ l=8.426 \\ l=8.43\text{ \lparen2 decimal places\rparen} \end{gathered}[/tex]

Answer = option A

Ver imagen KerrionZ704240