The correct answer to this question is E, 954km, 133. This question would be found on math tests, specifically in Trigonometry courses. This word problem deals with bearings, which are angles used in navigation. Bearings are angles in degrees, which are measured clockwise from North.
For example, 20 degrees clockwise North would be written out as 020 degrees. There are two rules used to solve bearings. The first is the cosine rule, which is used when you have the two sides and the angle, but need to find the third side or when you know the three sides but need to find the angle.
The second rule is the sine rule, which is used when you know one side and the three angles and need to find another side or when you know the two sides and an angle, but need to know the other angle.
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