Answer
$80.9^{\circ}$
Work Step by Step
Since, $\tan \theta= \dfrac{height}{Adjacent}$
We can use the tangent of the triangle to solve for the angle.
$\tan \theta= \dfrac{250}{40}$
or, $\theta=\tan^{-1} \dfrac{250}{40}$
or, $\theta=80.9^{\circ}$
