An octagon has eight sides.
The most common polygon shapes are as follows:TriangleQuadrilateralPentagonHexagonOctagon
An octagon
Eight, possibly.
a pyramid
An octagon has eight sides.
The most common polygon shapes are as follows:TriangleQuadrilateralPentagonHexagonOctagon
An octagon
a triangle
Eight, possibly.
They're both shapes... and three dimensional shapes.
They are both 3-dimensional shapes.
a pyramid
No, octagons just have to be closed shapes with eight sides - the sides do not have to be of equal length.
They are shapes.
A polyhedron with eight plane surfaces. Source: Answers.com
The answer could depend on the way in which the shapes are connected but I doubt that it has any specific name.