Answer
$29$ feet
Work Step by Step
The trigonometric ratios are as follows:
$ \tan \theta =\dfrac{opposite}{adjacent}$
Now, we have
$ \tan 40^{\circ} =\dfrac{h}{35}$
This gives: $ h= 35 \times \tan 40^{\circ}$
Therefore, we have $ h=35 \times 0.8391 \approx 29$ feet
