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Heptagram, a seven-pointed star polygon; Octagram, an eight-pointed star polygon; Enneagram, a nine-pointed star polygon; Decagram, a ten-pointed star polygon; Hendecagram, an eleven-pointed star polygon; Dodecagram, a twelve-pointed star polygon; Magic star, a star polygon in which numbers can be placed at each of the vertices and ...
In geometry, a decagram is a 10-point star polygon. There is one regular decagram, containing the vertices of a regular decagon, but connected by every third point. Its Schläfli symbol is {10/3}. [1] The name decagram combines a numeral prefix, deca-, with the Greek suffix -gram. The -gram suffix derives from γραμμῆς (grammēs) meaning ...
For example, a nine-pointed polygon or enneagram is also known as a nonagram, using the ordinal nona from Latin. [citation needed] The -gram suffix derives from γραμμή (grammḗ), meaning a line. [3] The name star polygon reflects the resemblance of these shapes to the diffraction spikes of real stars.
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The pentagram contains ten points (the five points of the star, and the five vertices of the inner pentagon) and fifteen line segments. It is represented by the Schläfli symbol {5/2}. Like a regular pentagon, and a regular pentagon with a pentagram constructed inside it, the regular pentagram has as its symmetry group the dihedral group of ...
The five-pointed star, if drawn with points of equal length and angles of 36° at each point, is sometimes termed a golden five pointed star. [7] If the colinear edges are joined, a pentagram is produced, which is the simplest of the unicursal star polygons , and a symbol of mystical and magical significance.
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eight-pointed black star : U+2734 eight-pointed pinwheel star U+2735 eight-pointed rectilinear black star U+2737 heavy eight-pointed rectilinear black star U+2738 circled open center eight-pointed star U+2742 eight-pointed cuneiform star 𒀭: U+1202D rub-el-hizb: ۞: U+06DE Bamum script (Phase D) ngkyee U+16913