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A
Square Proof
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Strategies and Hints
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Any of the four right triangles in the figure can be used for the sides a, b, and c.
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The length of the side of the inner square appears in the proof as the difference of the legs of the triangles.
With
a "hole" of zero area, the first equation is:
Solution
Continuing from the expression in part 2, the complete proof is:
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