A hexagon is a shape that has six straight sides. a shape with six sides (hexagonos, from hex + gonia )
A polygon with six sides The sum of the angles of a hexagon is 720º See figure
A plane figure with six straight sides A regular hexagon is one with all six sides and all six angles equal, the angles all being 120° Congruent regular hexagons can be fitted together to cover completely a plane surface Apart from squares and equilateral triangles, these are the only regular polygons with this property