Heptagon – A polygon with 7 sides
She heaped until all the snow was gone (heptagon) 7 days a week.
A regular heptagon has 7 sides of equal length and internal angles of 128.57 ° between the sides.
Although shaped like a V, this is still a 7-sided polygon and can be described as a concave heptagon.
Heptagons can be convex such as this one.