Comments on: Proof That √2 Is Irrational
https://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/
Thu, 22 Feb 2007 13:16:11 +0000
hourly
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By: Anonymus
https://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45535
Thu, 22 Feb 2007 13:16:11 +0000http://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45535Oh yeah, of course. Thanks. I did say I was stupid.
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By: Michael
https://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45162
Wed, 21 Feb 2007 15:29:01 +0000http://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45162The big triangle and the little triangle share one angle, and both have a right angle. Since the angles must sum to 180, the triangles must have the same third angle. Therefore they are similar. Since the legs of the big triangle have equal lengths (it was isosceles), the legs of the small triangle must also be equal (by similarity).
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By: Anonymus
https://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45159
Wed, 21 Feb 2007 15:00:56 +0000http://mjtsai.com/blog/2007/02/19/proof-that-2-is-irrational/#comment-45159I'm stupid, but why is OC equal to CD in that diagram?
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