Airplane navigation
An airplane leaves an airport and flies west 120 miles and then 150 miles in the direction S 32.12°W. How far is the plane from the airport (round to the nearest mile)?
Correct answer:

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You need to know the following knowledge to solve this word math problem:
geometryarithmeticplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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