نجمة سباعية
| نجمة سباعية Heptagram | |
|---|---|
النجمة السباعية heptagramـ عي نجمة لها سبعة رؤوس.
الهندسة
|
First heptagram {7/2 |
Second heptagram {7/3 |
Both heptagrams inscribed within a heptagon |
|
Heptagrammic prism (7/2) |
Heptagrammic prism (7/3) |
ثقافيا
Former Georgian coat of arms, 1918-1921, 1991-2004
Flag of Cherokee Nation
The seven-pointed star of the Felibritge on the national Occitan flag.
Religious/occult symbolism:
انظر أيضا
- نجمة (رمز)
- Stellation#Stellated polygons
- List of regular polytopes#Two Dimensions 2
المصادر
- Grünbaum, B. and G. C. Shephard; Tilings and Patterns, New York: W. H. Freeman & Co., (1987), ISBN 0-7167-1193-1.
- Grünbaum, B.; Polyhedra with Hollow Faces, Proc of NATO-ASI Conference on Polytopes ... etc. (Toronto 1993), ed T. Bisztriczky et al., Kluwer Academic (1994) pp. 43–70.
وصلات خارجية
- Eric W. Weisstein, Heptagram at MathWorld.
- Approximate construction method
