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Tag Archives: nonagon
Tessellation of Triangles and Pentagons
Alternately, this can be seen as a tessellation of hexagons and enneagons. Which do you see?
Posted in Mathematics
Tagged enneagon, geometry, hexagon, Mathematics, nonagon, pentagon, tessellation, triangle
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Two Polyhedra, Each Featuring Enneagons and Octagons
I used Stella 4d: Polyhedron Navigator to make these. You can try it for yourself at http://www.software3d.com/Stella.php.
Posted in Mathematics
Tagged enneagon, geometry, Mathematics, nonagon, octagon, polyhedra, polyhedron
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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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