# Constructing the Cube Root of Two

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This Demonstration shows a construction of using a ruler with two marks (red and black ) at a distance 1 unit apart, constrained to lie on the axis and the blue line. Drag point until the straight line touches the hexagon at . Then .

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Contributed by: Izidor Hafner (March 2011)

Open content licensed under CC BY-NC-SA

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Reference

[1] J. H. Conway and R. K. Guy,* The Book of Numbers*, New York: Copernicus Books/Springer, 2006 pp. 194–195.

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