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Concentric Geometric Hierarchies

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Visit this site: http://www.grunch.net/synergetics/exhibit1.html
Author:Kirby Urner, 4D Solutions
Description: Exhibit 1 is a JavaScript demo exhibit of the concentric hierarchy from the tetrahedron out to the rhombic dodecahedron. The shapes are all 2.3.4-fold symmetric. A status bar shows the volumes of the shapes when you select an isolated view. A cumulative view column gives you a way to superimpose the systems. The last control in each column adds a unit-radius sphere to the picture. See also Exhibit 2, showing 4-fold and 5-fold symmetric shapes including a rhombic triacontahedron. The exhibits require version a Java-enabled browser.
Levels: High School (9-12)
Languages: English
Resource Types: Graphics, Web Interactive/Java
Math Topics: Geometry

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