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Converse of the Pythagorean Theorem

Author: Graham Pardun

Figuring Out Whether Triangles Are Right

No, the converse of the Pythagorean theorem is not some kind of awesome triangular tennis shoe - though I wish it were. I'll show you what it actually is, and then we'll use it to scope out some triangles, discovering, on the way, some cool Pythagorean triples!