A hexagon is a 2d shape with six sides, a hexahedron is a 3d shape with six faces.
A 2D shape does have one face.
a shape that's sides a not the same length and angles are not the same degree
no stupid because one has got faces(3d) and the other has sides(2d)
A triangle as no other 2d shape can have 3 sides.
A 2D shape with 9 sides is called a Nonagon.
2D PolygonsIcosagon (20 sides)Icosikaihenagon (21 sides)Icosikaidigon (22 sides)Icosikaitrigon (23 sides)Icosikaitetragon (24 sides)Icosikaipentagon (25 sides)Icosikaihexagon (26 sides)Icosikaiheptagon (27 sides)Icosikaioctagon (28 sides)Icosikainoenneagon (29 sides)3D PolyhedraIcosahedron (20 faces)21-29 faces are same as the 2D names but with '-hedron' instead of '-gon' at the end.Also:Isosceles Triangle / Trapezoid(Trapezium)
The shape of 2D is a flat surface.
A hexagon
A 2D shape that has four sides and is thirteen letters long is a quadrilateral.
The shape is a regular pentagon.
Any 4 sided 2D shape