It means pi to the power of two. pi square = pi * pi
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Pi is the ratio of a circle's circumference to its radius and equals approx 3.14. Therefore pi squared is 3.14... x 3.14... = 9.8696.
I assume you mean a circle having an area of 96 square feet. A=Pi*r^2 C=2*Pi*r, Pi=3.14159265 So, 96=Pi*r^2 .. r = sqrt(96/Pi) ~= 5.5279 C=2*Pi*r = 2*Pi*5.5279 ~= 34.7328 feet If you mean the perimeter of a square with the area 96 feet2, then this will have a perimeter of 39.2 feet
If you mean square units within a circle then it is:- Area = pi*radius squared
If you mean a circle then it is: 49*pi square mm
If you mean a circle then its square footage formula is: pi*radius2
Because if you approximate pi, you get pi = 3.1415926535897932384626433832795...Square root of 3.1415926535897932384626433832795... is 1.7724538509055160272981674833411...... which is the square root of pi.Hope that helps.