Impossible Cylinder

Geometry 1 Minute

I didn’t believe this counterintuitive trick until I tried it myself… the instructions can be found at http://www.maa.org/…/horizons/RichesonImpossibleCylinder.pdf

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Published by John Quintanilla

I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science.

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