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The three parts are faces, vertices and edges. The faces are the flat surfaces, the edges are the lines that joint the corners which are called vertices.
Cube: 6 faces, 12 edges and 8 vertices. Cuboid: 6 faces, 12 edges and 8 vertices. Sphere: 1 Face and no edges or vertices. Cylinder: 3 faces, 2 edges and no vertices. Cone: 2 faces, and 1 edge and vertices. Triangle Pyramid: 4 faces and vertices and 6 edges. Square Pyramid: 5 faces and vertices and 8 edges. Triangle Prism: 5 faces, 9 edges and 6 vertices. Examples, Cube: A box Cuboid: A keyboard Sphere: A ball Cylinder: Can of beans Cone: Ice-cream cone Triangle Pyramid: Bit of a tobarone bar Square Pyramid: Egyptian Pyramid Triangle Prism: Tobarone Bar
a prism is a polyhedron with two congruent faces, called bases, that lie in parallel planes. The other faces, called lateral faces, are parellelograms formed by connecting the corresponding vertices of the bases. the segments connecting the vertices are lateral edges. the altitude, or height, of a prism is the perpendicular distance between its bases.
A decahedron is a closed 3-D shape with ten polygonal faces. There are 32,300 topologically different decahdra and, since none of these are regular, the term is ambiguous. Some simple decahedra have names, such as:nonagon-based pyramidoctagon-based prismsquare antiprismpentagonal dipyramid.
Names of 3D shapes 1 face: sphere 4 faces: tetrahedron/triangle based pyramid 5 faces: pentahedron/square based pyramid 6 faces: hexahedron (sexahedron)/cube/cuboid 7 faces: septahedron 8 faces: octahedron 9 faces: nonahedron 10 faces: decahedron 11 faces: undecahedron 12 faces: dodecahedron 13 faces: tridecahedron 14 faces: tetradecahedron 15 faces: pentadecahedron 16 faces: hexadecahedron (sexadecahedron) 17 faces: septadecahedron 18 faces: octadecahedron 19 faces: nonadecahedron 20 faces: icosahedron 21 faces: unicosahedron 22 faces: dicosahedron ... 29 faces: nonicosahedron 30 faces: tricontahedron 90 faces: ennacontahedron