An Impossible Proof Of Pythagoras – Proving pythagora without circular logic

Context : https://www.theguardian.com/us-news/2023/mar/24/new-orleans-...

The proof itself is nowhere to be find on the presentation. Beside the use of law of sines.

Also here https://news.ycombinator.com/item?id=35311765#35312653

I really hope this proof holds up.