---
title: 28 Days of Tau - Day 3
desc: The third day - polygon inscription 
timestamp: 2022-06-03T00:00:00-04:00
---

## Polygons

![Day 3 - Polygons](/static/i/blog/tau-day3.png)

One of the oldest methods known to calculate circle constants is inscribing polygons of increasing side counts within circles. It is easy to find the area of these polygons, and as the number of sides increases the area approaches $$ \frac{\tau}{2} $$ (assuming a circle with radius 1).

[GitHub](https://github.com/TriMill/28-days-of-tau/tree/main/day3)