It is a circumcircle or circumscribing circle.
all sides are the same
apolygon is a shape that has no curves ,is closed, and has more then three sides
A polygon with 11 sides is called an "undecagon."
A two dimensional shape with 3 sides or more is considered to be a polygon
No, a cube is a 3 dimensional shape. All polygons are 2 dimensional.
The number of sides and vertices are the same
a polygon is convex
A non convex is a concave and a convex is differently shaped