How Pi Was Established
They studied Pi and the number Pi had over 1million numbers the first 20 digits are 3.1415926535897932384. The digits in Pi have no pattern example like this number 3.3333.
Why Pi is called an irrational number?
Pi is called an irrational number because an irrational numbers can not be represented as a perfect fraction and because Pi can not be equal to a ratio of any 2numbers.