Did Stonehenge Builders Use Pythagoras's Theorem First?

  • Thread starter BillTre
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BillTre
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Here is an article from The Telegraph about triangles in older versions of Stonehenge.
(The layout was revised several times).
There are several right triangles referred to that are taken as understanding Pythagoras's theorem.
The article has drawings.

Not sure I buy that they knew A2 + B2 = C2 rather than just knew things like a 3,4,5 triangle has a nice useful right angle since they haven shown the builders calculations.
 

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They give us a "base 60" math a la the Babylonians, and I'll buy into the Pythagorean story, otherwise....
 

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