PM+-+3

PM - 3 **PI**

The Symbol of π
The symbol π was introduced by the mathmatical William Jones in 1706 his symbol was adapted by Euler in 1737 who wrote 3.14159=π Tand became the standard symbol of π- Molly

Fomrulas
There are several diiferent formulas fo pi. Here are some: The diameter time pi equals the circumference of a circle. C = Dπ ** The radius times pi squared equals the area of a circle. A = Rπ2 - Ethan ** = Guess What = 1. Guess what, in September 2002, Dr. Kanda of the University of Tokoyo calculated 1.2411 trillion digits of pi. 2. Guess what, there's a more accurate fraction of pi. It's 104348 / 33215 which is accurate down to 0.00000001056%. 3. Guess what, Hiroyoki Gotu memorized 42,000 digits of pi.   4     The real number for Pi has never been found. It's otherwize known as //googol-plex//.   5.   Check out cool PI poems here. Also, check out this cool [|link]. It can find stings of numbers for the first 200,000,000 digits of pi.

EXAMPLE QUESTION:
Below there is a pizza, thediameter of the pizza is 9.65 What is the circumfrance? Now, about what is the circumfrance? {hint look at calculating π}

[|www.misterteacher.com]
 [|Pi Day] [|Pi Song (digets)] [|Pi Song]  http://www.angio.net/pi/piquery **__ http://en.wikipedia.org/wiki/Pi __** http://www.teachertube.com/view_video.php?viewkey=1d8816411305bd1bc2b1 __**
 * __ http://mathforum.org/dr.math/faq/faq.pi.html