Question

What is a Pie.
$\pi$
Explain with an example.
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Answer 1

Answer:

the number pie is a mathematical constant.

pie = 3.14

Answer 2

Answer:

Pie (π) is a Greek letter used in mathematics.

$\pi = \frac{22}{7}$

For example, the area of a circle:

$a = ({\pi \times r})^{2}$