Pi wasn't invented so much as discovered. Pi is the ratio of a circle's circumference divided by the diameter. One could say that no one invented it, but that it was discovered. The Egyptians and the Greeks had an a approximation that we are still refining to this day. It is a transcendental (non-rational) number.
Pi was discovered ny the ancient Greeks around 1900 B.C
aryabhatta discovered it as 3.1416
Pi is the relationship between the diameter and the circumference of a circle.
No one has fully discovered pi. Pi is believed to be irrational.
gopal
1706
archimedes a famous greek inventor invented pi
Greece. I think.
Pi-thagoras
alice troop
dont worry about it
the Greeks