pi+project+nw

=__Pi__= by NW __**What language does pi come from?**__


 * Pi comes from the language Greek.

__**A brief history of pi.**__

[|pi searcher] [|pi song] [|one million digits of pi]
 * The Babylonians found the area of a circle by taking 3 times the square of its radius.
 * Egyptians found the area of pi by a formula that gave it a value of 3.1605.
 * The Archimedes of Syracuse found pi using a Pythagorean Theorm wich showed that pi is between 3 1/7 and 3 10/71.
 * __Links__**


 * __Interesting + odd facts about pi__**
 * pi is an infinite decimal, you can never get to the end of it
 * pi day is celebrated on March 14 because of the 3.14 in the beginning of pi
 * since it is so long you can find cool numbers [like your birthday] in pi


 * __What kind of number is pi?__**
 * pi is a nonrepeating nonterminating decimal
 * __Formulas for pi + how to calculate pi__**
 * circumference of a circle ³·¹⁴d or 2³·¹⁴r
 * surface area of a cylinder 2³·¹⁴rh + 2³·¹⁴r²
 * volume of a cylinder ³·¹⁴r²h or Bh
 * volume of a cone 1/3³·¹⁴r²h or 1/3Bh
 * area of a circle ³·¹⁴r²