Answer
The angle of elevation is $72^{\circ}$
Work Step by Step
Let $\theta$ be the angle of elevation. We can find $\theta$:
$cos ~\theta = \frac{10~ft}{32~ft}$
$\theta = cos^{-1}~(\frac{10~ft}{32~ft})$
$\theta = 72^{\circ}$
The angle of elevation is $72^{\circ}$
