Airplane navigation

An airplane leaves an airport and flies to west 120 miles and then 150 miles in the direction S 44.1°W. How far is the plane from the airport (round to the nearest mile)?

Correct result:

d =  251 nm

Solution:

x=120+150cos(44.1)=227.719 nm y=150sin(44.1)=104.387 nm  d2=x2+y2 d=227.7192+(104.387)2=251 nm



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See also our trigonometric triangle calculator.

 
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