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21 May, 08:48

Cos B = 4/5, a=10, C=90, find the hypotenuse of the triangle

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  1. 21 May, 09:08
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    The cosine of B = 4/5 so the adjacent side divided by the hypotenuse =.8

    So 10/.8 = 12.5 the length of the hypotenuse
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