Pythagorean Theorem - Visual Proof
Main Concept
The Pythagorean theorem states that any right angle triangle of side lengths a, b, c satisfies
a2+ b2 = c2
where c is the length of the longest side.
Observe the following animation. The area of the light blue region is c2 at the beginning and a2+b2 at the end, and yet it clearly has not changed.
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