Question

An observer (O) spots a plane (P) taking off from a local airport and flying at a 33° angle horizontal to her line of sight and located directly above a tower (T). The observer also notices a bird (B) circling directly above her. If the distance from the plane(P) to the tower (T) is 7,000 ft., how far is the bird (B) from the plane (P)?

Answer 1

@mohammad.arqum

Answer 2

This is a bit of trigonometry. I suggest you take a look at the below site:

http://www.mathsisfun.com/sine-cosine-tangent.html

Answer 3

10779