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Parade on MSN35 Pi Day Trivia Questions and Answers You Don't Want To MissWhile the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...
Pi, defined as the ratio between the circumference of a circle and its diameter, is what's known as an irrational number.
This year, though, it comes with some twists that won’t be seen again for a century. Pi Day, celebrated on March 14 (3/14), ...
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