Answer
$23 $ yards
Work Step by Step
The trigonometric ratios are as follows: $\sin \theta= \dfrac{opposite}{hypotenuse}$ ; $\cos \theta= \dfrac{Adjacent}{hypotenuse}$ and $\tan \theta= \dfrac{Opposite}{Adjacent}$
The angle of elevation is: $\theta =37^{\circ}$
So, the height of the building $ h= 30 \tan 37^{\circ}$
or, $ h=22.6 \approx 23 $ yards
