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ROCAF F-CK-1A at Ching Chuan Kang Air Base with two TC-1 on the wingtips and two TC-2 underbody ROCAF F-CK-1A underbody have two TC-2. The Sky Sword II, Tien Chien II, or TC-2 (Chinese: 天劍二; pinyin: Tiān Jiàn Èr; Wade–Giles: Tʻien 1 Chien 4 Êrh 4) is a Taiwanese beyond-visual-range air-to-air missile. It has an inertial navigation ...
[1] [2] They're also called Shubnikov–Laves tilings after Aleksei Shubnikov. [3] John Conway called the uniform duals Catalan tilings , in parallel to the Catalan solid polyhedra. The Laves tilings have vertices at the centers of the regular polygons, and edges connecting centers of regular polygons that share an edge.
A regular digon has both angles equal and both sides equal and is represented by Schläfli symbol {2}. It may be constructed on a sphere as a pair of 180 degree arcs connecting antipodal points, when it forms a lune. The digon is the simplest abstract polytope of rank 2. A truncated digon, t{2} is a square, {4}. An alternated digon, h{2} is a ...
A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles. In geometry, ... English-Greek numbers [1] [2] English cardinal number
[3] [5] [6] A face of dimension k is called a k-face. For example, the polygonal faces of an ordinary polyhedron are 2-faces. In set theory, the set of faces of a polytope includes the polytope itself and the empty set, where the empty set is for consistency given a "dimension" of −1. For any n-polytope (n-dimensional polytope), −1 ≤ k ≤ n.
Kaleido software indexing: K01–K80 (K n = U n–5 for n = 6 to 80) (prisms 1–5, Tetrahedron etc. 6+) Magnus Wenninger Polyhedron Models: W001-W119 1–18: 5 convex regular and 13 convex semiregular; 20–22, 41: 4 non-convex regular; 19–66: Special 48 stellations/compounds (Nonregulars not given on this list)
The polytopes of rank 2 (2-polytopes) are called polygons.Regular polygons are equilateral and cyclic.A p-gonal regular polygon is represented by Schläfli symbol {p}.. Many sources only consider convex polygons, but star polygons, like the pentagram, when considered, can also be regular.
Aluminium-bronze 1 ⁄ 4 kr. coins were issued between 1940 and 1942, the last coins to bear this denomination. Nickel-brass replaced silver in the 25kr. in 1944, with brass 1kr., 2 + 1 ⁄ 2 kr., 5kr., 10kr. and 25kr. introduced between 1947 and 1949. The silver 50kr. and TL 1 were discontinued in 1948, with cupro-nickel TL 1 issued in 1957.