I had to repost this video because it did not appear correctly in a previous post.If the video still does not play then it is viewable here: Scale factor 

Math Class

Scale factor

How could you use the pythagorean theorem if you know only the value of a leg and the hypotenuse? The following video demonstrates how to do that. If you would like more information about the pythagorean theorem you may click here: Pytyhagorean theorem 

Pythagorean theorem applied

The following video demonstrates how the pythagorean theorem is may be applied to solve a word problem. 

Pythagorean theorem explained geometrically 2

The pythagorean theorem may be interpreted geometrically by saying that the area of the squares on the legs of the right triangle must equal the area of the square on the hypotenuse. You may see additional information and explanations of this concept by clicking here:Pythagorean theorem 