# Simple Space Visualization Test 2

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The vertices of a polyhedron are numbered, and each face is divided, with vertex numbers being placed into one of the adjoining face divisions. The polyhedron is then unfolded into a net and one of the numbers is replaced with a question mark. Try to figure out which number was replaced. This Demonstration provides a simple space visualization test using vertex identification.

Contributed by: Izidor Hafner (February 2012)

Open content licensed under CC BY-NC-SA

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## Details

detailSectionParagraph## Permanent Citation

"Simple Space Visualization Test 2"

http://demonstrations.wolfram.com/SimpleSpaceVisualizationTest2/

Wolfram Demonstrations Project

Published: February 20 2012