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6 November, 11:52

What is the length of the diagonal of a square with a side that measures 11 centimeters

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  1. 6 November, 12:11
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    A square has 4 equal sides

    use pythagroeas theorem since a square has 4 right angles

    a^2+b^2=c^2

    a=b because the sides are equal (11)

    11^2+11^2=c^2

    242=c^2

    square root both sides

    11√2=c

    the diagonal legnth is 11√2 centimiters
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