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17 March, 20:29

2. a² + b2 = c2

a=9 b=40

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  1. 17 March, 20:44
    0
    I don't know if you meant b^2 and c^2 or b x 2 and c x 2 so I'll do both.

    If it's meant to be multiplied by 2, then you do 9^2 + (40) 2 = c2

    81 + 80 = c2

    161 = c2

    /2

    80.5 = c

    However I do doubt it's that. This means it's likely meant to be squared instead. In which case, use the following answer.

    9^2 + 40^2 = c^2

    1681 = c^2

    Then square root both sides to get just c (which i assume is what you're trying to find?)

    Square root of 1681 = 41

    So your answer would be 41.
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