what is pi
3.1415
Pi is a number that is used in the formula for any sort of perimeter, area, or volume of a circle or sphere. It is infinite, but the most used versions are 3.14, 22/7, and of course, the pi symbol: π
Pi (π) is circumference of a circle (Perimeter) divided by diameter, which is approx. equals to 3.14
+5265 
