1. There will always be debates about equal quality of the five pieces. Consider both quality and quantity when pondering how to cut a pie into five equal pieces. At least theoretically
http://www.ehow.com/how_8167420_dividepieequally...

pie is a pastry dish, not to be confused with the mathematical constant pi. pi is the ratio of the circumference of a circle to its diameter. It is an irrational number and so there
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Pi is an infinite decimal. Unlike numbers such as 3, 9.876, and 4.5, which have finitely many
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Pi is the ratio of a circle's circumference to its diameter. The mathematical constant is approximately equal to 3.142.
http://www.kgbanswers.com/whatdoespieequal/1009...
