How u high up was the top of the ladder against the wall of the house ?

Question

asked Jul 19, 2023 170k views

1 Answer

Matthias Urlichs · Answer 1 · 2023-07-25T19:52:12+0000

The diagram can be shown as,

The height of the top of the ladder can be determined as,

$\begin{gathered} h=\sqrt[]{13^2-4^2} \\ =\sqrt[]{169-16} \\ =\sqrt[]{153} \\ =12.36\approx12.4ft \end{gathered}$

Thus, the requried height of the top of the ladder to the nearest tenth is 12.4 ft.