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6 November, 16:59

Estimate the side length of a square that has a 9 cm long diagonal

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  1. 6 November, 17:14
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    9^2 = 2x^2

    81 = 2x^2

    40.5 = x^2

    6.36 = x

    I think the side length of the square would be around 6.36 cm.

    **i don't know if this is right
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