## Elementary Geometry for College Students (7th Edition)

The angle of elevation is $72^{\circ}$
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 $72^{\circ}$