Respuesta:
l = 4.94
Explicación paso a paso:
[tex]a = {l}^{2} [/tex]
[tex]l = x \\ l = x + 4[/tex]
[tex]80 = {(l + 4)}^{2} \\ \sqrt{80} = l + 4 \\ 8.944 - 4 = l \\ 4.94 = l[/tex]
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Respuesta:
l = 4.94
Explicación paso a paso:
[tex]a = {l}^{2} [/tex]
[tex]l = x \\ l = x + 4[/tex]
[tex]80 = {(l + 4)}^{2} \\ \sqrt{80} = l + 4 \\ 8.944 - 4 = l \\ 4.94 = l[/tex]