If you want to practice your skills try to play this games:
http://www.kidsnumbers.com/pythagorean-theorem-game.php
http://www.math-play.com/Pythagorean-Theorem-Game.html
http://www.funtrivia.com/playquiz/quiz2049161776b68.html
Webpages:
If you want por information about the Pythagorean theorem here are some webpages wit good information:
http://www.nutshellmath.com/textbooks_glossary_demos/demos_content/prealg_pythagorean_theorem_and_right_triangles.html
http://www.regentsprep.org/regents/math/fpyth/Pythag.htm
http://jwilson.coe.uga.edu/EMT669/Student.Folders/Morris.Stephanie/EMT.669/Essay.1/Pythagorean.html
Bibliography:
The Pythagorean Theorem. Retrieved June 6,2009 from:
http://jwilson.coe.uga.edu/EMT669/Student.Folders/Morris.Stephanie/EMT.669/Essay.1/Pythagorean.html
math.com. The Pythagorean Theorem. Retrieved June 6, 2009
from: http://www.math.com/school/subject3/lessons/S3U3L4DP.html
Excel:
I this file you will be able to see an example of how to do equation for circles and how to use the Pythagorean theorem in triangles:
http://www.mediafire.com/?sharekey=4c1ccbb7083178d836df4e8dca141969e04e75f6e8ebb871
