The area of a square is 400 square units. If the length of each side of the
square increased by one unit, would its area be a rational number? Explain.


  1. yes it will be a rational number.
    square having area 400 sq units will have a length of 20 on each side by increasing the length of each side by 1 we get 21 then the area will be
    21 ^ 2=441
    Then we will have a rational number.


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