You're an octagon.
In geometry, an octahedron is a polyhedron with eight sides. A regular octahedron is the dual polyhedron of a cube; It is a rectified tetrahedron.
Maltese or Iron Cross!
A deltahedron is a polyhedron which is composed of equilateral triangles as faces.
a triangular prism
A regular octahedron.
What polyhedron has eight sides and all of the are equilateral triangle?
pyramid
A Triangular Pyramid
Octohedron, or diamond
A triacontakaidigon is a polyhedron with 32 sides. If the sides are all triangles, then there are 32 triangles in a triacontakaidigon, but a triacontakaidigon does not need to have triangular shaped sides.
it is afrog
A polyhedron with a polygonal base and triangles for sides.
Octohedron
octahedron
A regular octahedron.
Tetrahedron, icosahedron.