oblong
A 3-D shape with 8 faces is an octahedron.
An octagon
a hevortex
A three-dimensional shape with eight triangular faces is called an octahedron.
It is a cube
Hexagonal prism
the faces of the hexagonal prism is eight triangular faces. Because of the ambiguity of the term octahedron and the dissimilarity of the various eight-sidedfigures,
A cuboid.
Something with 6 faces and 8 vertices
trangular pirimad i think
A cube has square six faces and eight vertices.