



 
Jane, Did you draw a diagram? I have labeled the Beginning point, the First change of direction, the Second change of direction and the End point. Look at triangle SFE. You know SF = 2.00 km, FE = 6.68  2.00 = 4.68 km and the measure of angle SFE is 45^{o}. To solve the problem you need to determine ES and the measure of angle ESF. The Law of Cosines and the Law of Sines will help you do this. Harley  


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