Question

A scuba diver is at the surface of the water and preparing to swim to a shipwreck. The shipwreck is 20 meters underwater and the diver is 65 meters away from a buoy that shows where the shipwreck lies. At what angle does the diver have to swim to reach the shipwreck to the nearest tenth of a degree?

Answer 1

draw it, it always helps

you will see that you need to use Tangent
"Opposite over adjacent"

tan(angle)=65/20