a tetrahedron, an icosahedron or a pyramid
Chat with our AI personalities
A triangular prism.
That object would be called a triangular pyramid, also known as a tetrahedron.
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.
Icosahedron.
A triangular based pyramid (tetrahedron) has 4 triangular faces, 6 edges and 4 vertices.