A tetrahedron.
Since a cube has 6 faces, you would be looking for a solid shape with only 2 faces and no such solid exists.
No 3D shape with FLAT SIDES has exactly 3 faces. 4 is the minimum.
The solid figure that has 4 flat surfaces that are triangles is a tetrahedron. A tetrahedron is a polyhedron with four triangular faces, six straight edges, and four vertex corners. Each of the four faces of a tetrahedron is an equilateral triangle, making it a regular polyhedron.
triangular pyramid
A cuboid would fit the given description which has 6 faces, 12 edges and 8 vertices
No because it is flat 2d shape with 4 equal sides
A pyramid has 4 flat faces, all of which are triangular. Don't confuse this with a square-based pyramid like those in Egypt, as they have 5 faces.
A cube has 4 flat surfaces (called faces) and 6 vertices (or corners).
A dodecahedron (literally, "12 face solid").The "regular dodecahedron" has 12 identical faces, all regular pentagons ("5 sided flat shape").But there are many, many other 3d shapes with 12 faces, including the rhombic dodecahedron which has 12 identical faces, all 4 sided parallelograms.what shape has 12 faces?
A cuboid.
Triangular prisim
The solid shape that has one square face and four triangular faces is called a pyramid. If you were to have a shape that had four triangular faces and no square face, it would be called a triangular pyramid.