Is pi 3.142857

NO!!!!

pi ~ 3.14

pi ~ 3.141592

pi = 3.141592.....

pi is an Irrational number . This means that the decimals go to infinity and there us no regular order in the decimal digits.

Any value given for 'pi' is only an approximation.

When learning in school of circles, and you are given pi = 3.14 or 3.1416 or 22/7 , these are only approximate values, and just given for ease of calculation.

pi has been calculated to at least 50 billion places and still going!!!!