It could be an irregular pentagon - a bit like a child's drawing of a house with a roof.
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.
Rectangular prism
A pyramid.
No.It has 4 triangular faces and 1 square face (the base), which means it has 5 faces
Square pyramid.
The geometric shape that has 1 square face and 4 triangular faces is a pyramid. A pyramid also has five vertices and eight edges. The square acts as the base for the shape on which it sits.
A square pyramid.
sqare based pyramid
A square based pyramid.
A square based pyramid has 4 triangular faces and 1 square face.
rectangular:5 Triangular:4
No such thing as a 'square pyramid'. A pyramid is a solid object, with one (1) square base, and four(4) triangular faces. Only one face is 'square' , the BASE. ALL pyramids have a SQUARE base, so there is no need to describe it as a 'square pyramid'. Do NOT confuse with a Tetrahedron, which is a solid object, composed of four(4) triangular faces. The base being a triangle, and three triangular faces.