Einstein's proof of Pythagoras theorem

Einstein's proof of Pythagoras' theorem

This video present's Einstein's simple and elegant proof of Pythagoras' theorem. Instead of constructing a square on each side of the right-angled triangle, this proof constructs triangles. The triangles are all similar to the main triangle, and it can be shown quite easily that the two smaller triangles have the same area as the main triangle, which is sufficient to prove Pythagoras.

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[saenzmath]

Very good visual way of explaining.Thank you for sharing

[wasgehtsiedasan]

I don't get how you get from C=A+B to c^2=a^2+b^2.

[BuleriaChk]

c=a+b
c^2 = (a+b)^2 = [a^2 + b^2] + [2ab] (binomial expansion)
c^2 <> a^2+b^2
The "proof" in the video is only valid in the imagination.
(Pythagoras was also confused).

[BtMeszinet]

I can not see the PROOF in this video.