A solid figure with twenty faces is called an Icosahedron.
Icosahedron
tetrahedron
A cube is a solid figure called a polyhedron. A polyhedron is a solid figure with all flat faces. So a cone would be a solid figure but not a polyhedron becasue it has a curve and does not have all flat faces.
cylinder
A pentagonal prism
The regular solid, with 20 identical equilateral triangular faces, is called an icosahedron.
'Enneahedron' - a solid figure with nine faces
were two or more faces of a solid figure
Hexahedron
Icosahedron
Polygonal faces.
No.
A decaredra is the ten face solid figure.
NO!!!! A square is a two-dimensional shape, drawn on a surface. It has only one face, viz. the surface that it is drawn on. It has four sides, and four angles. A solid 3-dimensional figure with 6 congruent faces is a 'CUBE' . Each face of a cube is a 'square'. That is probably were you are confused!!!!!
EDGES
cone
tetrahedron