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The Pythagoren Theorem

Here you will find an animation demonstrating the Pythagoren theorem.
The animation starts with one right angle triangle with hypothenuse c and cathetes a and b.
Then, 3 copies are created and arranged within a square of side length a+b.
The arrangement leaves an area of c² uncovered within the boundaries of the square.
Then the 4 trienagles are rearranged and the unvoered area is seen to be a²+b².
Since moving around the triangles does not changed the total uncovered area, we see that

c²=a²+b²

Currently, there seems to be a bug in Internet Explorer, therefore we offer 2 versions.

Start animation

Animation was created by Erich Neuwirth using MswLogo.
 

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