triangular prism
An octahedron
A 3D shape with all triangular faces can be a tetrahedron pyramid.
tetrahedron
An octahedron.
A triangle based pyramid.
A triangular pyramid has.
You're an octagon.
A regular octahedron.
Octohedron, or rhomboid.
Icosahedron are a shape with 20 faces, 30 edges and 12 vertices. All the faces are triangles.
Icosahedron are a shape with 20 faces, 30 edges and 12 vertices. All the faces are triangles.