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A ship sails east from a harbor for 16 nautical miles. it then sails in the direction of n 55 e for 18 nautical miles. how far is it then from the harbor
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A ship sails east from a harbor for 16 nautical miles. it then sails in the direction of n 55 e for 18 nautical miles. how far is it then from the harbor

User Robert Chen
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34 lol...............
User Shehabic
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Use the Law of Cosines, where you have a triangle with included angle of 145 degrees and sides of 16 and 18. You are then solving the equation:

d^2 = 16^2 + 18^2 - 2(16)(18)cos(145)
User NamNH
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