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8 September, 02:56

A triangle has two side lengths of 3 and 4 and the angle between them is 60 degrees. What is the length of the third side

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  1. 8 September, 03:16
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    Using the Law of Cosines, a^2 = b^2 + c^2 - 2bcCos (60)

    a^2 = 19

    a = 4.36
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