Well, I think that your input that you could give me on to this question would be much greater then any ideas that I could ever come up with, becase your page on proofs for the Pythagorean Therom is truely amazing. Yes, I still am wondering why the Pythagorean Therom is only true for right triangles, becauase I did not understand the frst sentece of your origional response to that question. Any input tht you have would be greatly appreciated. Thank you :)