Question

WHAT do you mean by π?????

Still confusion​

Answer 1

Answer:

This means pie.It has very long value.But it is considered to be 3.14 or 3.14156.

It is used to find the are of a circle and its circumference.

$\pi {r}^{2}$

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Answer 2

Answer:

Pi is a number - approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics. It is the circumference of any circle, divided by its diameter.