That's a pyramid.
You are a pyramid!
A Square Pyramid.
A square pyramid
pentahedron
Pyramid
That's a pyramid.
6 faces
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.
You are a pyramid!
Well if you mean triangular pyramid and triangular prism then: A triangular pyramid is a geometric solid with a base that is a triangle and all other faces are triangles with a common vertex. A triangular prism is a geometric solid with two bases that are congruent (identical), parallel triangles and all other faces are parallelograms. It is referred to as a right triangular prism if the faces are rectangles.
Square Pyramid
A Square Pyramid.
A square pyramid
Such at figure - as described - could not be made as a solid geometric shape.
pentahedron
A tetrahedron is a geometric solid with four triangular faces, six edges, and four vertices. It is a type of polyhedron with triangular faces meeting at each vertex.