Triangular Prism, Triangular Pyramid.
A cube.
There is no such shape.
Triangle
Well, any shape with a triangular face. I assume that you mean a shape that only has (identical) triangles for faces. There are 2: the tetrahedron with 4 triangles, and the icosahedron with 20 triangles. * * * * * What about a triangular dipyramid? Two triangular pyramids stuck together along one face?
triangular face shape
A cuboid prism has no triangular faces
Triangular Prism, Triangular Pyramid.
A cube.
Triangular
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.
It is a triangular prism
A hexahedron or a triangular dipyramid. This is the shape formed by two triangular pyramids (tetrahedrons) stuck together along one triangular face.
There is no such shape.
Triangle
His facial shape is triangular. A triangular facial shape is when the jaw is wider than the forehead.
An octagon is a plane shape with just one face - an octagonal face! It cannot have triangular faces.