No, but it's a relatively close approximation. 22/7 rounded to six decimal places is 3.142857, whereas pi is 3.141593.
---- 22/7 is only correct to 2 decimal places.
A better approximation is 355/113 which is correct to 6 decimal places.
355/113 = 3.141592920353... π = 3.141592653589793...
If you need to do accurate calculations involving pi you should use the π (pi) key on a calculator.
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