A square of dimension __________ has numerically the same perimeter and area

Dear student
Let the side of the square be l.

​​​​​​The perimeter of square= 4l
Area of the square= l^2

Now, the perimeter of square= area of the square
i.e  4l = l^2
l^2-4l=0
l(l-4)=0 
l=0 or l=4
l=0 is not possible
Therefore, side of the square is 4 units.
Regards

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