Math cosine law

A golfer hits a tee shot on a 325 m long straight golf hole. The ball is hooked (hit at an angle of 18 degrees to the left. The ball lands 185 m from the tee. How far is the ball from the hole ?

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  1. Did you draw your triangle?
    Did you review the law of cosines?

    x^2 = 185^2 + 325^2 - 2*185*325*cos18°

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  2. I just finished the calculations and it gave me an answer of 160 m

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