pi is a universal constant term that appears frequently in trigonometry and other math courses dealing with geometric shapes. It is an irrational number that is expressed as 3.14 when performing computations. It is symbolized by the Greek letter π.
David W.
That is, the definition of PI (π) is the ratio of the circumference of a circle to its diameter. π = C/d
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10/09/16
Mark M.
10/09/16