Regular heptagon: join every two and every three vertexes.
Regular Hexagon: it doesn’t have a proper star polygon, but we can draw a star with one equilateral triangle and another one inverted).
Regular pentagon(Join every two vertexes).
STAR POLYGONS
Nonagon: join every two and four vertexes.
Hendecagon: join every two and five vertexes
Join every three vertexes.Regular octagon:
STAR POLYGONS
Decagon: join every three and four vertexes.
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