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Three-Arc Illusion


Three-ArcIllusion

The larger an arc is, the smaller its radius appears. For example, the three arcs illustrated above belong circles of the same radius.


This entry contributed by Margherita Barile

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References

Carraher, R. G. and Thurston, J. B. Optical Illusions and the Visual Arts. New York: Reinhold, 1966.

Referenced on Wolfram|Alpha

Three-Arc Illusion

Cite this as:

Barile, Margherita. "Three-Arc Illusion." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/Three-ArcIllusion.html

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