The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy
Watch video The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy online without registration, duration 10 minute 46 second in high hd quality. This video was added by user Khan Academy 09 August 2010, don't forget to share it with your friends and acquaintances, it has been viewed on our site 3 million once and liked it 21 thousand people.