Question

$\: what \: is \: \pi \: \: \:$
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Answer 1

Step-by-step explanation:

Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14.

Answer 2

the sixteenth letter of the Greek alphabet (Π, π), transliterated as ‘p.’.

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the numerical value of the ratio of the circumference of a circle to its diameter (approximately 3.14159).

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the sixteenth star in a constellation:

"Pi Herculis"

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relating to or denoting an electron or orbital with one unit of angular momentum about an internuclear axis:

"the π orbital system of the benzene molecule"

Word Origin

Greek.$⠀⠀⠀⠀⠀⠀⠀$