en.wikipedia.org/wiki/Polygram_(geometry)

In geometry, a generalized polygon can be called a polygram, and named specifically by its .... Branko Grünbaum, Metamorphoses of polygons, published in The Lighter Side of Mathematics: Proceedings of the Eugène Strens Memorial ...

en.wikipedia.org/wiki/Star_polygon

In geometry, a star polygon is a type of non-convex polygon. Only the regular star polygons ... The first usage is included in polygrams which includes polygons like the pentagram but also compound figures like the .... This is shown in the central illustration and commonly occurs in the mathematical treatment of polyhedra.

mathworld.wolfram.com/Polygram.html

Lachlan (1893) defines polygram to be a figure consisting of n straight lines. The best-known polygrams are the pentagram and hexagram (a.k.a. Star of David). The following table ... Join the initiative for modernizing math education.

www.mathsisfun.com/definitions/polygon.html

The definition of Polygon: A plane shape (twodimensional) with straight sides. Examples: triangles,...

www.mathsisfun.com/geometry/polygons.html

Polygons. polygon mosaic. A polygon is a plane shape with straight sides. Is it a Polygon? Polygons are 2-dimensional shapes. They are made of straight lines, ...

www.ducksters.com/kidsmath/polygons.php

Polygons for kids. Learn how they work, terms, tricks and examples. Regular, convex, concave, complex, and more.

math.wikia.org/wiki/Pentagram

A Pentagram is a polygram with 5 lines and angles. like all polygrams, it has at least 1 intersecting line. a Regular Pentagram is what most people call a star.

www.mathopenref.com/polygon.html

Polygons are one of the most all-encompassing shapes in geometry. From the simple triangle up through squares, rectangles, trapezoids, to dodecagons and ...