representing the ratio of a circle's circumference to its diameter. The holiday is observed on March 14 or 3/14 because 3.14 are the first three digits of the infinite number pi — 3.14159 ...
On hard mode, it’s a poem whose syllables follow the digits of pi: 3, 1, 4, 1, 5, and so on ... For young students: Use Pi Day to celebrate the humble circle! Watch this video for a brief explanation ...
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