a square...
A pentagon.
A square always has, and any polygon with more than four sides can have.
there isn't a polygon with 3 sides but there are triangles. polygons start with hexgons; 5 sided shapes.
A regular polygon is a polygon with congruent sides and interior angles.
A polygon may have any number of sides. A shape with four sides is a type of polygon called a quadrilateral.
There is no specific name for a four-sided polygon with unequal sides.
A four-sided polygon is a Tetradecagon.
A quadrilateral is a 4 sided polygon with four angles.
Quadrilateral
It is a quadrilateral.
It is called a 'polygon'.
A four-sided polygon with four congruent sides and four equal angles is a square
A polygon with four sides and four angles is a quadrilateral.
a square...
it is called a square
A polygon whose sides are unequal is called an irregular polygon. It may then be further described as being concave or convex.