Talk:Constructible Length with Compass and Straightedge

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I don't think this theorem is quite correct. With compass and straightedge, it is possible to construct numbers like:

$\sqrt {\sqrt 2} = \sqrt[4] 2$

which is not the root of any quadratic polynomial. --CircuitCraft (talk) 18:26, 20 April 2023 (UTC)

Good catch. Transcribed it wrong through carelessness. --prime mover (talk) 19:23, 20 April 2023 (UTC)