Hexagon

A hexagon has 6 straight sides

Hexagon

A hexagon is a 6-sided polygon (a flat shape with straight sides).

This is a hexagon: Hexagon
And this is also a hexagon: Hexagon

So long as it has 6 straight sides, it is still a hexagon

The shape must also be closed (all the lines connect up):

Hexagon Not a Hexagon Not a Hexagon
Hexagon
(straight sides)
Not a Hexagon
(has a curve)
Not a Hexagon
(open, not closed)

Regular or Irregular

If all angles are equal and all sides are equal, then it is regular, otherwise it is irregular

Regular Hexagon Irregular hexagonIrregular hexagon
Regular Hexagon Irregular Hexagons