Joshua GrochowTIL about the inscribed angle theorem. I didn't like any of the proofs I found by searching at first (I mean, they were fine, but I found them...unenlightening), but eventually found this one which I really like:
YouTube
Luca MoroniTripling the square is a problem much simpler than that of doubling the cube ... 🤔
Here's a straightforward geometrical construction.
#ProofWithoutWords
Credits: #Pythagoras, #Euclid, #paolozellini
Vincent-XavierFermat's Library sur Twitter : "A visual proof that: (1/2)² + (1/2)⁴ + ... + (1/2)²ⁿ = 1/3 #ProofWithoutWords https://t.co/4xi0UJxvYY"
https://twitter.com/fermatslibrary/status/890558145583620106
https://twitter.com/fermatslibrary/status/890558145583620106
Der Piratenschlumpf♲ @Fermat's Library ([email protected]): A visual proof that:
(1/2)² + (1/2)⁴ + ... + (1/2)²ⁿ = 1/3
#ProofWithoutWords
https://pbs.twimg.com/media/DFvl6bZXcAIgF9x.jpg
(1/2)² + (1/2)⁴ + ... + (1/2)²ⁿ = 1/3
#ProofWithoutWords
https://pbs.twimg.com/media/DFvl6bZXcAIgF9x.jpg