The formula for calculating the area of a square is A = s^2, where s is the length of any one side. The area of the square as drawn is 25 sq ft, as follows:

A = s^2
A = 5^2
A = 25

If the square was to be redrawn with sides longer than indicated in the diagram, the area of the square would increase. Since column A represents the area of the square as indicated, the value of column B must be larger, and there is no need to calculate the area (though it does work out to 30.25 sq ft). The answer is b.