Rhombic Triacontahedron Built on a Cube

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A solid rhombic triacontahedron (RT) can be built from a cube and six rhombic dodecahedron (RD) halves. You can move half RDs away from the surface of the cube. Cylinders are included to indicate a possible arrangement of an openable structure. Note the interesting relationship of the volumes: if the edge of the cube is 2, then the volume of a half RD is 2, and so the volume of the triacontahedron is (2x2x2) + (6x2) = 20.

External Links

Rhombic Triacontahedron (Wolfram MathWorld)
Rhombic Dodecahedron (Wolfram MathWorld)

Permanent Citation

Sándor Kabai
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​"Rhombic Triacontahedron Built on a Cube"​
​http://demonstrations.wolfram.com/RhombicTriacontahedronBuiltOnACube/​
​Wolfram Demonstrations Project​
​Published: April 27, 2007