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A polygram is a generalized polygon with a specific number of sides, such as a pentagram or a hexagram. Learn about the etymology, construction, and classification of regular and compound polygrams, and see examples and references.
PolyGram was a multinational entertainment company founded in 1962 by Philips and Siemens. It expanded into music, film and television divisions, and was sold to Seagram in 1998, then folded into Universal Music Group and Universal Pictures.
宝丽金（PolyGram）是一家历史悠久的唱片公司，曾经拥有Deutsche Grammophon（DG）、DECCA、飞利浦等跨国唱片企业，以拥有高知名度歌手、艺术家和高质量的音乐而闻名全球。1999年，美国环球唱片集团收购了宝丽金。
3 days ago · A polygram is a figure consisting of n straight lines, obtained by connecting every ith vertex around a circle with every (i+k)th. Learn about the named polygrams, such as pentagram and hexagram, and see how to explore them with Wolfram|Alpha.
Learn about polygrams, polygons with self-intersecting sides, and their types, properties and examples. Find out how polygrams are related to stars, atoms and chemical elements.
Learn what a polygon is, how to classify it based on sides and angles, and its properties and formulas. Find examples of polygons, such as triangles, squares, rectangles, and more.
Convex, cyclic, equilateral, isogonal, isotoxal. In Euclidean geometry, a regular polygon is a polygon that is direct equiangular (all angles are equal in measure) and equilateral (all sides have the same length). Regular polygons may be either convex, star or skew.
