Yes, a square is an equilateral polygon
A regular polygon
Basically, the meaning of a polygon is closed because the sides are straight. A meaning of a polygon for you: a square. A square has 4 sides that are all straight, a square is a polygon.
In general, a diamond shape is neither a square nor a regular polygon. Only in an extreme form is it a square and therefore a regular polygon.
it seems to me that the only polygon of your description is a square
Yes, a square is an equilateral polygon
A square polygon by definition has one face and it is square.
A square cannot be irregular though it is a polygon.
Yes every square is a regular polygon.
Any shape with 3 or more sides is a polygon and so a square is a polygon because it has 4 sides.
a square
A regular polygon
Yes, a square is a regular polygon because all of its sides are equal.
Basically, the meaning of a polygon is closed because the sides are straight. A meaning of a polygon for you: a square. A square has 4 sides that are all straight, a square is a polygon.
In general, a diamond shape is neither a square nor a regular polygon. Only in an extreme form is it a square and therefore a regular polygon.
it seems to me that the only polygon of your description is a square
Square.