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7 August, 09:48

If angle c = 90°, c = 17, and a = 15, then b =

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  1. 7 August, 11:59
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    By either the law of cosines or the Pythagorean theorem,

    b = √ (c^2 - a^2) = √ (289 - 225) = √64

    b = 8
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