Respuesta :

Given data:

The given figure is shown.

The expression for tan(57°) is,

[tex]\begin{gathered} \tan (57^{\circ})=\frac{82\text{ ft}}{x} \\ x=\frac{82\text{ ft}}{\tan(57^{\circ})} \\ =53.2514\text{ ft} \\ \approx53.2\text{ ft} \end{gathered}[/tex]

Thus, the length of the shadow is 53.2 ft.