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29 June, 08:18

C=9, a=7, find b find missing side

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  1. 29 June, 11:53
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    Use the Pythagorean theorem.

    A^2+B^2=C^2

    7^2+B^2=9^2

    49+B^2=81

    Take 49 from both sides

    B^2=32

    B = square root of 32

    B=5.65
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