Asked by Brajesh

Why the value of 'pi' is taken as 22/7
Answered by bobpursley
Because some people can't handle decimal numbers, or cannot fathom what an irrational number is. We had a state government (North Dakota) in the US that once passed a law that stated for legal purposes, the ratio to the circumference of a circle to its diameter was to be 3, so they ruled PI=3; that is much easier than 22/7, you of course know simple folks don't do fractions.
Such is life, simpletons in politics.
Answered by Reiny
Bob, I always thought that happened in Indiana.
https://en.wikipedia.org/wiki/Indiana_Pi_Bill

22/7 is the best approximation to π using at most 2 digits as the numerator of the fraction.

If you allow 3 digits, the best fraction is
355/113 which differs from π by only
.0000000266..
This fraction also has a nice cyclic pattern, and is easy to remember that way.
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