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

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

User Dominic Larkin
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1 Answer

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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
User Martin Seener
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