Re: Geometric construction of the product of two numbers



In article
<37a1e0ef-be8c-4cb7-a470-5ccaae89a250@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Mariano Suárez-Alvarez <mariano.suarezalvarez@xxxxxxxxx> wrote:

Can anyone point me to a web reference giving the
construction of a segment of length ab from segments of
lengths a and b?


As the others said, you also need 1.
Then 1:a::b:ab lets you construct any one of these lengths from the
other three.

--
G. A. Edgar http://www.math.ohio-state.edu/~edgar/
.


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