Difference between revisions of "Pi"

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== Definition ==
 
== Definition ==
Pi is an [[irrational]] number.  It is the ratio of a circle's circumference, or perimeter, to its diameter.  The number pi is usually only useful when dealing with [[circle|circles]], [[sphere|spheres]], and discs.
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'''Pi''' is an [[irrational]] number.  It is the ratio of a circle's circumference, or perimeter, to its diameter.  The number pi is usually only useful when dealing with [[circle|circles]], [[sphere|spheres]], and discs.
  
 
== See Also ==
 
== See Also ==
 
*[[Circle]]
 
*[[Circle]]

Revision as of 16:12, 20 June 2006

Definition

Pi is an irrational number. It is the ratio of a circle's circumference, or perimeter, to its diameter. The number pi is usually only useful when dealing with circles, spheres, and discs.

See Also

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