Pythagorean theorem only applies to right angles is what I learned. The two sites that I looked at were great because one of them gave an example of a word problem and step by step on how to solve it. What was neat about this site is that it also included two more videos about word problems with Pythagorean theorem if needing more help on it. The other site was a video that talked more of what Pythagorean theorem is all about which was really awesome to know about. In my class I had a hard time learning how to find for one triangle, but with drawing it out helped out a lot.
Word problem:
The most important part about a word problem is to draw a picture. This gives us a way to organize all the information and usually reveals what we need to do to solve the problem.
Let's take a look at an example:
A 30 foot ladder reaches the roof of a building that is 22 feet high. How far is the bottom of the ladder from the bottom of the building?
http://elearn.mpls.k12.mn.us/students/mod/page/view.php?id=47918
http://www.teachertube.com/video/pythagorean-theorem-intro-361256
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