Hello All

How to calculate the value of π?

Answer from Wikipedia : - The number **π** is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. (22/7).

Ok, let me come to topic, why they have taken this value 22/7 for calculating the value of pi. (**π**). Below is the real incident happened in village in Tamilnadu (INDIA).

One Day, one maths teacher is explaining how to calculate the circumference.