What is Pi Day?
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What is Pi Day?
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Pi Day, celebrated annually on March 14th (3/14), is a day dedicated to honoring the mathematical constant π (pi). The date was chosen because it represents the first three digits of pi. Pi, symbolized by the Greek letter π, defines the ratio of a circle’s circumference to its diameter. It remains constant regardless of a circle’s size. Pi is an irrational number, with an infinite decimal expansion and no repeating pattern. While the most common approximation is 3.14, ancient civilizations like
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