triangle i guess
'Enneahedron' - a solid figure with nine faces
A solid figure with twenty faces is called an Icosahedron.
were two or more faces of a solid figure
The Platonic solids, in order of number of faces, are:Tetrahedron - 4Cube - 6Octahedron - 8Dodecahedron - 12Icosahedron - 20Therefore, the fewest number of faces of a Platonic solid can be found on a tetrahedron.
A decaredra is the ten face solid figure.