Was pi invented or discovered?

[Jackalope]

i have been waiting so long to come onto these forums and talk about science, so long, mathematics is my life, i literally materbate to math, pi is so interesting in the sense that any advanced life form would know what a circle is in the sense of geometry. Wo advance such as building that use circles we would need to e look at all the ways we can use numbers to represent a circle, indeed we need to know this math

Not sure if Super Genius or.... something else entirely.