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find the perimeter of a square with a diagonal of 6 square root 2 in.

I am not sure how to figure out this perimeter.

  • math - ,

    You are told it is a square so the sides are of equal length, a.

    If we wanted to find the length of the diagonal of a square with sides length a, then

    diagonal = sqrt(2a^2)

    sqrt(2a^2)= 6sqrt(2)
    2a^2 = 36 x 2

    a^2 = 36

    so a=6

    now find the perimeter

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