There are two regular heptagrams, labeled by Schlafli symbols as {7/2} and {7/3}, with the second number representing the vertex interval step from a regular heptagram, {7/1}.
Read more at:
gogeometry.com/geometry/heptagon_heptagram_seven.htm
Level: High School, SAT Prep, College geometry
Wednesday, March 18, 2009
Heptagon and Heptagrams / Septegrams
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