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12-10-2017
Mathematics

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A ballroom has a square dance floor. The area of the floor is 400 square feet. If the length of each side of the square increase by one foot, would its answer be a rational number?

Respuesta :

12-10-2017

The new dimension would be 22x22 because Sqrt (400) = 20.
22^2 is 484 and it is a rational number

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