Posted on 05/05/2024 4:14:35 PM PDT by NetAddicted
C*C = A*A + B*B Is That what they proved for a right triangle? That has only been known for 26 centuries. Even longer. The Egyptians used a 3 by 4 by 5 triangle to construct right angles.
Yes but using trigonometric methods. I think most of the 370+ methods in the book described above are geometric.
Apparently in 2009 it was solved using trigonometric methods, so no, it’s not groundbreaking.
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