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what is pi

 Oct 15, 2014

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 #2
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pi is used to calculate the area and circumference of circles and various other 3d and 2d objects involving circles. The actual number pi goes on forever, so here are the first few numbers 3.14159265358979... 

 Oct 16, 2014
 #1
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Easy it is 3.14

 Oct 16, 2014
 #2
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Best Answer

pi is used to calculate the area and circumference of circles and various other 3d and 2d objects involving circles. The actual number pi goes on forever, so here are the first few numbers 3.14159265358979... 

Guest Oct 16, 2014

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