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27 August, 15:58

Is a right triangle. If AB = 3 and AC = 7, find BC. Leave your answer in simplest radical form.

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  1. 27 August, 16:21
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    Use the Pythagorean Theorem

    3^2 + b^2 = 7^2

    9 + b^2 = 49

    Subtract

    b^2 = 40

    b = √40
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