Bicone
In geometry, a bicone or dicone (from Latin: bi-, and Greek: di-, both meaning "two") is the three-dimensional surface of revolution of a rhombus around one of its axes of symmetry. Equivalently, a bicone is the surface created by joining two congruent, right, circular cones at their bases.
A bicone has circular symmetry and orthogonal bilateral symmetry.
Geometry
For a circular bicone with radius R and height center-to-top H, the formula for volume becomes
For a right circular cone, the surface area is
- where is the slant height.
| Bipyramid name |
Digonal bipyramid |
Triangular bipyramid |
Square bipyramid |
Pentagonal bipyramid |
Hexagonal bipyramid |
... | Apeirogonal bipyramid |
|---|---|---|---|---|---|---|---|
| Polyhedron image |
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| Spherical tiling image |
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Plane tiling image |
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| Face config. | V2.4.4 | V3.4.4 | V4.4.4 | V5.4.4 | V6.4.4 | ... | V∞.4.4 |
| Coxeter diagram |
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See also
- Sphericon
- Biconical antenna
References
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