The height of tree is h = 30 feet.
The distance of base of tree from the person is b = 10 feet
Determine the value of c by using the pythagoras theorem.
[tex]\begin{gathered} c^2=(10)^2+(30)^2 \\ =100+900 \\ c=\sqrt[]{1000} \\ =31.62 \\ \approx32 \end{gathered}[/tex]
So answer is 32 feet.
