A laser is placed at a distance of from the base of a building that is tall. What is the angle of the laser (presuming that it is at ground level) in order that it point at the top of the building?

For the above triangle, and . Find .

For the above triangle, and . Find .

In the above triangle, and . Find .

What is the value of in the right triangle above? Round to the nearest hundredth of a degree.