the 3d shape that that has no flat face is the circle
Each flat face of a 3d object is called a face or a polygon!
a 3D shape called a cylinder
a piramid
a cube
No 3D shape with FLAT SIDES has exactly 3 faces. 4 is the minimum.
Curved and flat faces.
Polyhedra (singular = polyhedron).
Sphere
A cuboid
The 3D house shape is called a rectangular prism. It is a three-dimensional geometric solid that has six faces, all of which are rectangles. The rectangular prism is characterized by having three pairs of congruent and parallel faces, making it a type of parallelepiped.
A polyhedron.