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Some time in the last month, I read a great article somewhere on the web that discussed the sorry state of secondary school math education in the U.S. One of the examples in that article was a discussion of how geometry is designed to wring the last bit of joy out of mathematics, and included the "formal" proof that a triangle inscribed in a circle with one side on the diameter is a right triangle together with a lovely almost-proof that one of the writer's seventh-graders came up with.

I unaccountably failed to bookmark the article, and would love to find it again. Does this ring any bells with anybody?

rogerl
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1 Answers1

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Were you thinking of A Mathematician's Lament?

user134824
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