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.
1 rectangular face (the square base) and 4 triangular faces. Justin Dip(Math) Open
A square pyramid has a square base and four congruent triangular faces.