You can put this solution on YOUR website! If a square has a diagonal of 40 inches how long is each side of the square
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Let each of the sides of the square be "x":
Equation:
x^2 + x^2 = 40^2
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2x^2 = 1600
x^2 = 800
x^2 = 400*2
x = 20*sqrt(2)
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Cheers,
Stan H.
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