What is a generalization for this set of polygons: square, hexagon and a pentagon

Number of sides N, satisfies

4 <or= N <or= 6

There are other generalizations that apply to all polygons, such as the sum of interior and exterior angles.

A generalization for the set of polygons including a square, hexagon, and a pentagon is that they are all closed geometric shapes with straight sides.

A generalization for the set of polygons consisting of a square, hexagon, and pentagon is that they are all regular polygons.

To understand this generalization, we need to define what a regular polygon is. A regular polygon is a polygon where all sides are congruent (i.e., have equal length) and all angles are congruent (i.e., have equal measure). In other words, the sides and angles of a regular polygon are uniformly distributed.

Now, let's examine each polygon in the set:

1. Square: A square is a regular polygon since all four sides are congruent and all four angles are right angles (each measuring 90 degrees).
2. Hexagon: A hexagon is also a regular polygon because all six sides are congruent and all six angles are equal (each measuring 120 degrees).
3. Pentagon: A pentagon is not a regular polygon because it has only five sides and five angles. However, we can say that it is a regular "irregular" polygon since it has congruent angles but not congruent sides.

By looking at the set of polygons, we can observe that the square and the hexagon meet the definition of a regular polygon, while the pentagon is a variation of an irregular polygon that has some regular characteristics. Hence, the generalization for this set of polygons is they consist of regular polygons.