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Five ways to celebrate 3.14159 on Pi Day

Pie

Today is Pi Day, a day to celebrate the joys of the mathematical constant of 3.14159 or a slice of baked deliciousness. If the term "pi" doesn't ring any bells, let's review a little high school geometry. Pi is the ratio of a circle's circumference to its diameter and is represented by the 16th letter of the Greek alphabet ("π") and is often written simply as "pi."

 

Happy Pi Day: Many more than 3.14... pictures of cool Pi creations

Happy Pi Day: Many more than 3.14... pictures of cool Pi creations

March 14 is Pi Day (3.14, get it?), and to celebrate the magical and mesmerizing mathematical constant, I've collected a dozen very special pi tributes from around the Web (here's a brief history of pi, to boot).

 

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