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Web Results

en.wikipedia.org/wiki/Pi

The symbol **used** by mathematicians to represent the ratio of a circle's
circumference to its diameter is the lowercase Greek letter π, sometimes spelled
out as **pi**.

mathforum.org/dr.math/faq/faq.pi.html

www.angio.net/pi/whypi.html

www.livescience.com/29197-what-is-pi.html

Apr 30, 2013

www.enchantedlearning.com/math/pi/

lightyears.blogs.cnn.com/2012/03/13/pi-day-how-3-14-helps-find-other-planets-and-more/

Mar 13, 2012

www.mathsisfun.com/numbers/pi.html

around the edge of the circle) will be

www.youtube.com/watch?v=DHOah01HOHs

Dec 30, 2013

nrich.maths.org/2490

Read all about the number

www.scientificamerican.com/article/what-is-pi-and-how-did-it/

May 17, 1999

Popular Q&A

Q:
What is pi ? What is it used for?

A:
Pi is the ratio of the circumference to the diameter of a circle. It is used in many
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Source:
www.chacha.com

Q:
What is pi use for?

A:
Pi is used for finding a circumference and area of a circle, the volume and surface area of a cylinder, and many other things. Pi is actually the ratio of a cir...
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Source:
wiki.answers.com

Q:
In statistics what is Pi used for?

A:
In statistics, pi represents the population proportion of successes. Using p, the sample proportion of successes, inferences can be made about pi , although it i...
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Source:
wiki.answers.com

Q:
What is pi used in?

A:
Geometry and trigonometry. complex analysis. Physics. statistics & Probability. Many formulas from mathematics, science, and engineering include π.
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Source:
answers.yahoo.com

Q:
What was Pi used for in ancient times?

A:
I researched it a bit into the internet and didn't find much. Pull the other one ! http://www.math.washington.edu/~greenber…. http://www.youtube.com/watch?v=scz...
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Source:
answers.yahoo.com