watch any one of links below:
http://www.authorstream.com/Presentation/lalitwarkde-85464-pythagoras-theorem-mathematics-lalit-education-ppt-powerpoint/
http://www.scribd.com/doc/5371209/pythagoras-theorem
http://in.youtube.com/watch?v=R1UZ98DS4cY
http://www.teachertube.com/view_video.php?viewkey=88c9a85904af5d13f101&page=1&viewtype=&category=
Friday, October 10, 2008
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