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.
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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) (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.
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