| 词汇 | decagon |
| 释义 | decagon noun[ C ] uk /ˈdek.ə.ɡən/ us /ˈdek.ə.ɡɑːn/ a flat shape with ten straight sides十边形 VanReeel/iStock/Getty Images Plus/GettyImages Geometrical shapes -cornered circularly congruently conic cylindrically lozenge ovally ovoid parallelogram pentagon polyhedron polytope prism pyramid pyramidical quadrilateral rectangle rectangular rhombus three-dimensional Examples of decagondecagon The triangle is favoured because it offers a greater possible richness of association than other base-figures, such as square, hexagon, octagon, or decagon. The 10 cell face to face path above maps to a 10 vertices path solely traversing along edges in the 600-cell, forming a decagon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Generally these dishes have ten equal walls (decagon) with a large bowl on one side and a smaller bowl ground out on the other. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The valleys are 10 edge long closed paths and correspond to other instances of the 10-vertex decagon path mentioned above. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On top of the decagon sat an oval dome with a lantern, supported from within by six arches. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ratio of the side length of the hexagon to the decagon is the golden ratio, so this triangle forms half of a golden rectangle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In either case, it is best to show the pentagram boundary line to distinguish it from a concave decagon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A regular decagon has all sides of equal length and each internal angle equal to 144. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The 10-cell geodesic path in the 120-cell corresponds to a 10-vertex decagon path in the 600-cell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The choir was closed with a semi-circular apse, which was encased within a half decagon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The golden triangle can also be found in a decagon, or a ten-sided polygon, by connecting any two adjacent vertices to the center. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A polygon with ten sides is a decagon, and 10 is a decagonal number. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The decagon with its 3 meter-thick wall, divided into 10 sides, has a diameter of 17 m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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