Khan Academy Static

Named after the Greek philosopher who lived nearly 2600 years ago, the Pythagorean theorem is as good as math theorems get (Pythagoras also started a religious movement). It's simple. It's beautiful. It's powerful.

2966_Intro_to_the_Pythagorean_theorem_1.html

2967_Intro_to_the_Pythagorean_theorem_2.html

2969_Thiago_asks_How_much_time_does_a_goalkeeper_have_to_react_to_a_penalty_kick_.html

2968_Pythagorean_theorem_example.html