
Perimeter of an Ellipse - zeristor
https://www.mathsisfun.com/geometry/ellipse-perimeter.html
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zeristor
Prompted by this Matt Parker YouTube video:

[https://www.youtube.com/watch?v=5nW3nJhBHL0&t=1036s](https://www.youtube.com/watch?v=5nW3nJhBHL0&t=1036s)

