octahedron
it is afrog
tetrahedron
diamond/octahedron
pyramid
Octahedron- A polyhedron with eight faces. All faces of a regular octahedron are congruent, equilateral triangles.
octahedron
it is afrog
tetrahedron
An octahedron.
A deltahedron is a polyhedron which is composed of equilateral triangles as faces.
diamond/octahedron
pyramid
octahedron
You're an octagon.
A regular octahedron.
Octohedron, or rhomboid.