two boats A and B left a port C at the same time on different routes. B travelled on a bearing of

150 and A travelled on the north side of B. When A had travelled 8km and the two boats was found to be 12km. Calculate the bearing of A route from C. Show your workings and diagram

4 answers

the speed of the boats is not mentioned...it is a factor
From the question, the three given sides forms a triangle say ABC. By using The Cosine Rule, the angle opposite AB can be found. This angle is 82.8 (to 3 sig. fig.). Therefore,the bearing of A's route from C is 150 - 82.8 = 67.2 degrees.
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