What is pi - Definition and Meaning

Pi :

Pi is one of the most commonly used constant in the mathematics and is denoted by the symbol π. It is the ratio of a circle's circumference to its diameter. Pi is an irrational number and its decimal representation has a never ending permanent repeating pattern. Its approximately equal to 22/7.

Formula :

π = circumference / diameter π = 3.14

Example :

A = πr2 A = 3.14 x 42 A = 50.24
Perpendicular lines Power

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