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The Pythagorean Theorem and LaddersYou need a ladder that's 27 feet long.(back) Andrew Wiles | Math's Hidden Woman | Pythagorean Puzzle Resources | Guide | Transcript | Proof Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |