Hexagon.
An octahedron.
A two dimensional 10 sided shape is a decagon.
A heptagon is a7 sided 2D shape. Hope that will help
A 3-D shape with 8 faces is an octahedron.
Some examples include:cuberectangular prismhexahedralpentagonal pyramidtriangular dipyramid
Some examples include:cuberectangular prismhexahedralpentagonal pyramidtriangular dipyramid
Hexagon.
a henagon is an 11 sided 2-D shape and a 3-D is called an hendecahedron.
An octahedron.
A 6 sided planar (2-d) polygon is called a hexagon.A 6 sided 3-d shape is a hexahedron, which might also be a cube, rectangular prism, die, pentagonal pyramid, or quadrilateral di-pyramid depending on the exact shape.
A heptahedron
Hendecahedron
Its called a pentahedron. Its a five sided or faceted polygon.
Hexagonal prism
A tetrahedron (a triangulat pyramid).
A dodecahedron is a 3-d shape with 12 faces that are regular pentagons.