SOLUTION: Two automobiles leave a city at the same time and travel along straight highways that differ in direction by 80°. If their speeds are 55 mi/hr and 55 mi/hr respectively, approximat

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Question 1002525: Two automobiles leave a city at the same time and travel along straight highways that differ in direction by 80°. If their speeds are 55 mi/hr and 55 mi/hr respectively, approximately how far apart are the cars at the end of 50 minutes?
Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
Basic rules to use, RT=D and Law Of Cosines.

50 minutes is %285%2F6%29hour.

Let c be distance apart.



The simplification and computation is not done here; but you can and should do them. Examine the left side expression carefully - SIMPLIFICATION must be emphasized.