Pi is defined as a mathematical constant whose value is equal to the ratio circumference of any circle to its diameter.
Pi is also equal to the ratio of a area of circle to the square of radius of circle(
=A/r2 ).
Pi is just about equal to 3.141593 in the common decimal notation.
Pi is involved in many formulae of mathematics.
It is one of the most significant mathematical and physical constants.
Pi is a dimensionless quantity i.e.) just a number without physical units.
- The symbol for pi is denoted as
Sine formula
Unit rates
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