A regular polygon
A square
square * * * * * A square is an example, but is not the whole answer. A polygon wit all sides congruent is an equilateral polygon (think equilateral triangle, or a rhombus). If all the angles are also congruent, then it is a regular polygon.
a square
A regular polygon such as a square or an equilateral triangle ..... etc .....
Square
A polygon in which all sides are congruent?Improved Answer:-Any regular polygon as for example an equilateral triangle or a square
"Square. Congruent means "the same". A rectangle with 4 sides that are the same is a square." Plus, it is not a rectangle. It is a polygon. The question should have been stated: What is a polygon with congruent sides?
A four sided polygon with four congruent sides is a rhombusA square.
A polygon with all sides congruent is a square.
A square.
square, rhombus