| 词汇 | digon |
| 释义 | BETA Examples of digondigon isn’t in the Cambridge Dictionary yet. You can help! Many of the polyhedra with dihedral symmetry have digon faces that make them degenerate polyhedra (e.g. dihedra and hosohedra). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two opposing points on a spherical surface, joined by two different half great circles produce a digon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Any polyhedron can be topologically modified by replacing an edge with a digon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The internal angle of the spherical digon vertex can be any angle between 0 and 180 degrees. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A "digon" face can also be created by geometrically collapsing a quadrilateral face by moving pairs of vertices to coincide in space. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, in spherical geometry a nondegenerate digon (with a nonzero interior area) can exist if the vertices are antipodal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A digon is a closed polygon having two sides and two corners. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This digon can then be replaced by a single edge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two planes define a lune, also called a digon or bi-angle, the two-sided analogue of the triangle: a familiar example is the curved surface of a segment of an orange. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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