Ellipses have multiple definitions, how are these the same?

2024-01-19

[public] 4.06K views, 2.53K likes, dislikes audio only

A link to the full video is at the bottom of the screen.

Or, for reference: /youtube/video/pQa_tWZmlGs

The full video this comes from proves why slicing a cone gives the same shape as the two-thumbtacks-and-string construction, which is beautiful.

Editing from long-form to short by Dawid Kołodziej