PPT Slide

The hypotenuse of a right triangle is always the longest side, the side opposite the right angle. The legs are the other two sides. In the Pythagorean Theorem, it is customary to use c for the hypotenuse. For an attractive and simple demo on why this theorem works go to:

http://www-groups.dcs.st-and.ac.uk/~history/Diagrams/PythagorasTheorem.gif

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