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Demonstrate the Pythagorean TheoremThink of each side of a right triangle as also being a side of a square that's attached to the triangle. The area of a square is any side multiplied by itself. (For example, a x a = a2.)On the diagram below, show that a2 + b2 = c2, by moving the two small squares to cover the area of the big square. How can I use the Pythagorean theorem to solve real problems? 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 |