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Math: Geometry: Pi Day Discuss this eTheme

Learn the constant number Pi = 3.14. Find out why it is celebrated on March 14th every year. Discover why this number is considered to be a mysterious and fascinates some mathematicians. Learn how to calculate the number and use it for solving problems and equations. Includes animations, word problems, lesson plans, crafts, trivia, and quizzes.

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Created: February 14, 2005 at 06:31 | Updated: July 26, 2012 at 15:28