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9 October, 17:07

1. What is the value of x? Show all of your work.

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  1. 9 October, 18:01
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    Pythagorean Theorem: A^2 + B^2 = C^2

    We know A and C, let's find B by doing it backwards

    C^2 - A^2 = B^2

    4^2 - 7 (square root of 7 squared is just 7) = B^2

    16 - 7 = B^2

    9 = B^2
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