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posted by Sarah on Tuesday, August 3, 2010 at 9:04am.
If the diagonal of a square has a length of square root of 30, what is the square's area?
let each side be x so the area would be x^2 then x^2+ x^2 = (√30)^2 2x^2 = 30 x^2 = 15 wow , wasn't that easy?
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