Geometry: An Interactive Journey to Mastery Season 1 Episode 22 Explorations with Pi
- TV-PG
- May 2, 2014
- 31 min
We say that pi is 3.14159 ... but what is pi really? Why does it matter? And what does it have to do with the area of a circle? Explore the answer to these questions and more - including how to define pi for shapes other than circles (such as squares).