Pi approximation day is observed annually on which date?

1.	Pi approximation day is observed annually on which date?
Answer» Pi approximation day is observed annually on July 22. It is dedicated to the mathematical constant pi (p). The day is also called Casual Pi Day. Pi denotes the relationship between a circle's circumference and its diameter and is denoted by the fraction 22/7 which calculates approximately to 3.14.

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