A four-sided solid is called a tetrahedron.
hexagon
quadrilateral
quadrilateral
'Object' Do you mean 'shape' or 'solid'. a 2-dimensional shape is an hexagon a 3-dimensional solid is a hexahedron.
It can be a quadrilateral, though quadrilaterals are 4-sided shapes in general.
pyramid
hexagon
Pyramid :P
What's wrong with pentahedron?
a quadrilateral
quadrilateral
quadrilateral
A four sided shape
34-gon
'Object' Do you mean 'shape' or 'solid'. a 2-dimensional shape is an hexagon a 3-dimensional solid is a hexahedron.
It can be a quadrilateral, though quadrilaterals are 4-sided shapes in general.
Since I don't have the vaguest idea what it is, I would not call it anything!