That could be a triangular pyramid.
tetrahedron aka triangular pyramid
A triangular prism does!
A triangular prism.
A triangular prism
A triangular prism ! It has a triangular face at each end, a rectangular base and two adjoining rectangular faces. It actually has nine edges and six corners.
a tetrahedron is a shape with 4 triangular faces, 6 sides and 4 vertices [corners]
It is a triangular prism.
With 4 faces it is a tetrahedron. It is also called a triangular pyramid.
A triangular pyramid has 4 corners and 6 edges (and 4 faces).
A shape that has some triangular faces is a pyramid.
Triangular Pyramid......... The faces are Triangular....