every body know pai mean 7/22 but anybody can tell why 7/22 why it was be not other i means 23/7.
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π is the ratio of circumference to the radius of any given circle.22/7 is its approximate value and not its real value.Its real value is irrational which is equal to 3.142857..... which is taken as 22/7 for its simplicity.
surajchoudhury:
smart boy and thanks but a que is the rate of pai for all circle.
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