tan 60°= ODBD=200d−x
⇒ √3=200d−x
⇒ d-x= 200√3
Putting x=200. We have:
d - 200= 200√3
d= 200√3 + 200
⇒ d = 200(√3+1√3)
⇒ d = 200 × 1.58
⇒d = 316 (approx.)
Thus, the distance between two ships is approximately 316 m.