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13 September, 22:22

B = Square root of 77 c=12 a=?

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  1. 13 September, 23:51
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    a^2 + b^2 = c^2

    a^2 + (square root of 77) ^2 = 12^2

    a^2 + 77 = 144

    a^2 = 144 - 77

    a^2 = 67

    a = about 8.2
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