# Math Help - nid help in some world problems..

1. ## nid help in some world problems..

1.a Force 217lb is acting N22°20'E at a point and another is acting N36°30'W at the same point.What is their resultant if it is acting N19°10'W?

2. The bearing of a lighthouse from a ship, 9km from it is N17°E. The ship sails due west and stops. If the bearing now of the lighthouse from the ship is N70°E, how far has the ship sailed?
[IMG]file:///C:/DOCUME%7E1/ms/LOCALS%7E1/Temp/moz-screenshot.png[/IMG]

2. [quote]2. The bearing of a lighthouse from a ship, 9km from it is N17°E. The ship sails due west and stops. If the bearing now of the lighthouse from the ship is N70°E, how far has the ship sailed?

If I interpret correctly, we have the following diagram.

We can use the law of sines to find x.

$\frac{sin(20)}{9}=\frac{sin(53)}{x}$

Solve for x.

3. uh thx i get it thx. how abt the other 1?