A polygon is any closed figure with straight sides, so the possibilities are endless: square, rectangle, triangle, parallelogram and so on. Things like a circle and heart are not polygons.
it seems to me that the only polygon of your description is a square
A type of polygon is a rhombusial polygon, trysectalnict polygon, and a equilateral polygon.
A triangle (not traingle) is a polygon. It can be a regular polygon but need not be.
an arrow is or isn't a polygon?
A heart shape isn't a polygon because a heart has to curves. The description of a polygon doesn't list curves.
No vertices (0). a heart shape is not a polygon shape, only polygon shapes have vertices.
The traditional heart shape has curved sides, so it is not a true polygon.
A polygon is any closed figure with straight sides, so the possibilities are endless: square, rectangle, triangle, parallelogram and so on. Things like a circle and heart are not polygons.
it seems to me that the only polygon of your description is a square
A type of polygon is a rhombusial polygon, trysectalnict polygon, and a equilateral polygon.
A triangle (not traingle) is a polygon. It can be a regular polygon but need not be.
an arrow is or isn't a polygon?
Polygon B is an octagon.
The definition of a irregular polygon is any polygon that is not a regular polygon.
Regular polygon Equilateral polygon Polygon with rotational symmetry
An equilateral polygon is a polygon where the length of all the sides of the polygon are the same length.