SOLUTION: At 9am, a certain boat left a port in the direction of 50° east of north and maintains a speed of 90kph. At that same time, another boat left the same port in the direction of 30Â

Algebra ->  Trigonometry-basics -> SOLUTION: At 9am, a certain boat left a port in the direction of 50° east of north and maintains a speed of 90kph. At that same time, another boat left the same port in the direction of 30      Log On


   

Question 1181846: At 9am, a certain boat left a port in the direction of 50° east of north and maintains a speed of 90kph. At that same time, another boat left the same port in the direction of 30° east of south. How far apart were the two boats, two hours after they left the port?
Answer by ikleyn(52879) About Me  (Show Source):
You can put this solution on YOUR website!
.

Find the distances traveled by each boat in two hours.

Find the angle between two boats cources.

Then use the cosine law formula.


Happy calculations (!)