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A dodecahedron is a 3-dimensional shape with 12 (dodeca-) polygonal faces. There are more than 6 million different types of convex dodecahedra. For example, a hendecagon based (11-sided polygon) pyramid, which has 12 vertices;

a decagon based prism, which has 20 vertices;

a hexagon based dipyramid which has 8 vertices.


Then there is the regular Platonic solid, made out of 12 regular pentagonal faces. This has 20 vertices.

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9y ago
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9y ago

It has 12 faces, 30 edges and 20 vertices.

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14y ago

12.

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Q: How many vertices does a docecahedron have?
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