in order to solve this problem, we will need to use the pythagorean theorem
[tex]c=\sqrt[]{a^2+b^2}[/tex]
where,
height a = 8 , and
shadow b = 5
[tex]\begin{gathered} c=\sqrt[]{8^2+5^2} \\ c=\sqrt[]{89} \end{gathered}[/tex]
therefore, the length of the line is 9.4 ft
