What is #pi#?

1 Answer
Mar 18, 2017

Please see below.

Explanation:

#pi# is the ratio of circumference of a circle divided by its diameter .

It is an irrational number whose value is

#3.141592653589793238462643383279502....................#

#3.14# is its value approximated up to just two decimals for calculations.

Many use #22/7# which is easier in calculations and also use #3.1416# and is most accurate among these values (discussed above).

As a fraction one of the well known easier, more accurate and easy to remember fraction is #355/113=3.1415929203....#, but it is rarely used.