16. Find the distance between the ships

A helicopter locates two ships \(A\) and \(B\) from the top of an ocean. The pilot finds that the helicopter is exactly at the top of the ship \(A\). If the distance of the helicopter from ship \(A\) is 39 \(km\) and that of ship \(B\) is 89 \(km\), how far are the ships from each other?

 

 

Answer:

 

The ship \(A\) is  \(km\) far from ship \(B\).