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
.
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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