Tetrahedron, icosahedron.
it is afrog
octahedron
Octahedron- A polyhedron with eight faces. All faces of a regular octahedron are congruent, equilateral triangles.
octahedron
A deltahedron is a polyhedron which is composed of equilateral triangles as faces.
diamond/octahedron
What polyhedron has eight sides and all of the are equilateral triangle?
An octahedron.
tetrahedron
an octahedron
a regular octahedron
A regular octahedron.