In the 1760s, Johann Heinrich Lambert proved that the number π (pi) is irrational. Thus, it cannot be expressed as a fraction a/b, where a is an integer and b is a non-zero integer.
The Ancient Egyptians created the first example of what we know as pies today. Later on, closer to the 5th Century BC, the Ancient Greeks were believed to invent pie pastry as it is mentioned in the plays of the writer Aristophanes and it was possible to work as a pastry chef in this era, a separate trade to a baker.
Pi is for math
Pie is for your belly
How to earn the 2frys.bike Pi Day patch:
Post your ride to Strava and/or Facebook, preferrably both. Make sure Randy can see your rides and/or posts on Strava and/or Facebook and be sure to: