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22 May, 06:16

Two boats A and B Left a Port at the same time on different routes. B travelled on a bearing of 150º and A travelled on the North side of B. When A had travelled 8km and B had travelled 10km, the distance between the two boats was found to be 12km. Calculate the bearing of A's route from C.

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  1. 22 May, 09:08
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    Answer: 67.2°

    Step-by-step explanation:

    To find angle C, we have to use cosine rule. Therefore,

    12² = 8² + 10² - 2 * 8 * 10 * cosC

    C = 82.8°

    The bearing of A from C will be

    = 150° - 82.8°

    = 67.2°.
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