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September 19, 2014

September 19, 2014

Posted by **Bernadette** on Tuesday, September 18, 2012 at 7:57am.

- Math 17 -
**Reiny**, Tuesday, September 18, 2012 at 8:44amWe must assume that the two planes are flying in the same plane, which is not a good idea . (Sometimes the English language is just plain silly.)

Let the distance between them be x miles

then by the cosine law ....

x^2 = 32^2 + 76^2 - 2(32)(76)cos 49°

solve for x

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