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Author Topic: Visual proof of Pythagoras' Theorem  (Read 14900 times)
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ahmedelshfie
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on: May 21, 2010, 01:20:57 am » posted from:,,Brazil

This following applet is Visual proof of Pythagoras' Theorem
Created by prof Hwang Modified by Ahmed
Original project Visual proof of Pythagoras' Theorem

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* Visual proof of Pythagoras' Theorem.gif (14.47 KB, 738x510 - viewed 1212 times.)
« Last Edit: May 24, 2010, 07:34:57 pm by ahmedelshfie » Logged
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Reply #1 on: May 22, 2010, 02:45:12 am » posted from:,,Brazil

In mathematics, the Pythagorean theorem or Pythagoras' theorem is a relation in Euclidean geometry among the three sides of a right triangle (right-angled triangle). In terms of areas, it states:

   In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).

The theorem can be written as an equation relating the lengths of the sides a, b and c :

   a^2 + b^2=c^2\!\,

where c represents the length of the hypotenuse, and a and b represent the lengths of the other two sides.

These two formulations show two fundamental aspects of this theorem: it is both a statement about areas and about lengths. Tobias Dantzig refers to these as areal and metric interpretations.Some proofs of the theorem are based on one interpretation, some upon the other.

The Pythagorean theorem is named after the Greek mathematician Pythagoras, who by tradition is credited with its discovery and proof,although it is often argued that knowledge of the theorem predates him. (There is much evidence that Babylonian mathematicians understood the formula, although there is little surviving evidence that they fitted it into a mathematical framework.


* 201px-Pythagorean_graphic.svg.png (7.72 KB, 201x200 - viewed 869 times.)

* 220px-Illustration_to_Euclid's_proof_of_the_Pythagorean_theorem2.svg.png (12.25 KB, 220x238 - viewed 421 times.)

* 220px-Illustration_to_Euclid's_proof_of_the_Pythagorean_theorem3.PNG (21.43 KB, 220x255 - viewed 341 times.)

* 220px-Illustration_to_Euclid's_proof_of_the_Pythagorean_theorem.svg.png (8.9 KB, 220x238 - viewed 383 times.)

* 220px-Pythagorean.svg.png (6.89 KB, 220x175 - viewed 421 times.)
« Last Edit: May 22, 2010, 02:50:33 am by ahmedelshfie » Logged
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Reply #2 on: May 24, 2010, 12:59:05 am » posted from:Uberaba,Minas Gerais,Brazil

There is a video on you tube explain about Visual proof of Pythagoras' Theorem
Link http://www.youtube.com/watch?v=xLkfDdsnpuY&feature=related
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Reply #3 on: October 09, 2010, 02:45:34 am » posted from:SAO PAULO,SAO PAULO,BRAZIL

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This applet design by prof Hwang using JDK1.0.2
Original URL Theorem of Pythagoras a*a + b*b = c*c



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Progress is impossible without change; and those who cannot change their minds cannot change anything. ..."George Bernard Shaw(1865-1950, Irish dramatist, essayist and critic, Nobel Prize for Literature 1925)"
 
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