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There are two regular heptagrams, labeled as {7/2} and {7/3}, with the second number representing the vertex interval step from a regular heptagon, {7/1}. This is the smallest star polygon that can be drawn in two forms, as irreducible fractions. The two heptagrams are sometimes called the heptagram (for {7/2}) and the great heptagram (for {7/3}).
The regular octagonal star is very popular as a symbol of rowing clubs in the Cologne Lowland, as seen on the club flag of the Cologne Rowing Association. The geometry can be adjusted so 3 edges cross at a single point, like the Auseklis symbol An 8-point compass rose can be seen as an octagonal star, with 4 primary points, and 4 secondary points.
The elements of a polytope can be considered according to either their own dimensionality or how many dimensions "down" they are from the body.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
In geometry, a heptagon or septagon is a seven-sided polygon or 7-gon.. The heptagon is sometimes referred to as the septagon, using "sept-" (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix "-agon" meaning angle.
In geometry, the Rhombicosidodecahedron is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces. It has a total of 62 faces: 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, with 60 vertices , and 120 edges .
The flag of Nigeria depicted a green hexagram surrounding a crown from with the white word "Nigeria" under it on a red disc from 1914 to 1960. The flag of Israel has a blue hexagram in the middle. The former flag of Portland, Oregon (from 1970 to 2002) features a small six point star in the seal in the canton.
The flag of Chile, introduced in 1817, has a single five-pointed star known as La Estrella Solitaria (The Lone Star). The similar flag of Texas was introduced in 1839. The star and crescent used by the Ottoman Empire was shown with an eight-pointed stars in early forms (18th century), but was changed to a five-pointed star in the official flag in