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what's pi?

Guest Feb 22, 2017
 #1
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The number π is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes spelled out as "pi" (/paɪ/).

lemme_smash  Feb 22, 2017
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3.1415

Guest Feb 22, 2017

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