Question

An observer spots a plane flying at a 42 degree angle to his horizontal line of sight. If the plane is flying at an altitude of 15,000 ft, what is the distance (x) from the plane (P) to the observer (O)

Answer 1

check the picture below.

make sure your calculator is in Degree mode.

Answer 2

I am not too sure but I know it is not 10,035, or 16,648, nor 20,188 because I put that and it wasn’t right so the last option would be.

22,417

Explanation: