Solve the problem.A plane flying a straight course observes a mountain at a bearing of 31.7° to the right of its course. At that time the plane is 8 kilometers from the mountain. A short time later, the bearing to the mountain becomes 41.7°. Find the distance between the plane and the mountain, to the nearest tenth of a kilometer, when the second bearing was taken.
A. 6.3 km
B. 11.4 km
C. 4.2 km
D. 10.1 km
Answer: A
Mathematics
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