Eli5: I always thought pi is 22/7, but recently i found out that 22/7 is a number that is pretty close to pi, not pi itself. Then how do mathematicians found more “pi” ?

Question

Eli5: I always thought pi is 22/7, but recently i found out that 22/7 is a number that is pretty close to pi, not pi itself. Then how do mathematicians found more “pi” ?

In: 167

Answer 1

To OP: have your never looked at what numbers pi and 22/7 actually are?

pi = 3.14159…

22/7 = 3.14285…

You only need 3 decimal places to see that they’re clearly not the same number.