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Tag Archives: nonagon
A Polyhedron Made of Enneagons and Pentagons
This polyhedron has 20 enneagons and 12+60=72 pentagons (of two types) as faces. I made it using Stella 4d, which is available at http://www.software3d.com/Stella.php.
Posted in Mathematics
Tagged enneagon, geometry, Mathematics, nonagon, pentagon, polyhedra, polyhedron
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Three Convex Polyhedra with Tetrahedral Symmetry, Each Featuring Four Regular Enneagons
In addition to the four regular enneagons, the polyhedron above also has rhombi and isosceles triangles as faces. The next one, however, adds equilateral triangles, instead, to the four regular enneagons, along with trapezoids and rectangles. Only the last of … Continue reading
Posted in Mathematics
Tagged enneagon, geometry, Mathematics, nonagon, polyhedra, polyhedron, symmetrohedron, tetrahedral
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Tessellation Using Regular Enneagons, Rhombi, and Hexaconcave Dodecagons
Posted in Mathematics
Tagged enneagon, geometry, Mathematics, nonagon, tessellation, tiling
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Nine (2015) / Nine (2013)
First, the newer version I just made: Next, the 2013 version, which I recently found, along with a bunch of other previouslylost stuff from around then. The two are simply colorinversions of each other, according to the rules for colorinversion … Continue reading
Posted in Art, Mathematics
Tagged Art, enneagon, enneagram, geometric, geometrical, geometry, mathematical, Mathematics, nine, nonagon, nonagram
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A Polyhedron Featuring Enneagons and Two Types of Pentagon
Enneagons are ninesided polygons, and some people prefer to call them “nonagons.” I try not to use the latter term because it mixes Greek and Latin wordparts, which the former term, derived purely from Greek, does not do. This was … Continue reading
Posted in Mathematics
Tagged enneagon, geometry, Mathematics, nonagon, pentagon, polyhedra, polyhedron
4 Comments