Who Knew??? (medium)
Why are you reporting this puzzle?
It's Casual Pi Day otherwise called Pi Approximation Day.
It's hard to be exact about pi when the decimal digits go on forever (and don't even repeat). So we have to use approximate numbers when we actually use pi, and a really approximate way of expressing the approximation is the fraction 22/7. And that's why today, the 22nd day of the 7th month, is Pi Approximation Day!
Thanks to every-day-is-special.blogspot.co.uk for the information.
It's hard to be exact about pi when the decimal digits go on forever (and don't even repeat). So we have to use approximate numbers when we actually use pi, and a really approximate way of expressing the approximation is the fraction 22/7. And that's why today, the 22nd day of the 7th month, is Pi Approximation Day!
Thanks to every-day-is-special.blogspot.co.uk for the information.
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