SOLUTION: A boat travels 80 miles due west and then heads North-East (N theta E) for 145 miles. At this new location, the boat is 232 miles from its point of departure. Find angle theta.

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A boat travels 80 miles due west and then heads North-East (N theta E) for 145 miles. At this new location, the boat is 232 miles from its point of departure. Find angle theta.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1136433: A boat travels 80 miles due west and then heads North-East (N theta E) for 145 miles. At this new location, the boat is 232 miles from its point of departure. Find angle theta.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It's a SSS problem, 3 sides are known.
Use the Cosine Law to find any angle.