icosahedron
Its a 17 faced 3d shape
A Triangular Prism
A 3d shape with 10 sides is called a decahedron. I have added a link with some pictures of them. As you can see they look very different but all have 10 sides or faces.
A dodecahedron has 12 rhombus-shaped faces.
A six faced 3d shape is called a cube.
It is a nonahedron.
It is important to learn and remember the name of 3D shapes. A 19 faced 3d shape is called a nonadecahedron.
An eight-faced 3D shape is called an octahedron. Any 3D shape (polyhedron) ends in -hedron, just like any 2D shape (polygon) ends in -gon, and octa- means 8.
Decahedron.Decahedron.Decahedron.Decahedron.
tetrahedron is a 4 faced 3d shape.
Dodecahedron.
It is called a trihedron. It does not exist.
A cube or a cuboid
A pentagonal pyramid.
It is called a decahedron.
Dodecagon :)