# Five Fascinating Facts about Pi

## Some of the many ways that this fundamental constant of nature surprises us

5 min readMar 1, 2024

The knowledge that a constant of nature exists in the geometry of circles has been around for more than 4000 years. The ancient Babylonians used to estimate the area of a circle by squaring its radius and multiplying their answer by three. Thus, the very first estimate of Pi was 3…