Askyscraper is 396 meters tall. at a cenrtain time of day, it casts a showdow that is 322 meters long. at what angle is the sun above the horizon at that time?

Do anybody know the answer to this problem

See image attached. There is a small right triangle formed by the skyscrapper, there is a big right triangle formed by the sun. 
angle on a small and big triangle is the same.

To find the measure of the angle, use trigonometry ratio of tangent


plug in the numbers



or approximately 50°

A. -10 is the value of x