what's the coefficient of pi squared
Pi squared is 9.869604401. Pies are usually circular but there is no reason why they cannot be made in square-shaped (not sqair!). Pi is the mathematical formula for the circumference of a circle. It is approximately equal to 3.14 but in reality pi is a number that has no end. Pi is NOT an imaginary number. (Imaginary numbers are the square roots of negative numbers.