Triangular prisim
That could be a triangular pyramid.
A triangular prism does!
tetrahedron aka triangular pyramid
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.
With 4 faces it is a tetrahedron. It is also called a triangular pyramid.
a tetrahedron is a shape with 4 triangular faces, 6 sides and 4 vertices [corners]
It is a triangular prism.
A triangular pyramid has 4 corners and 6 edges (and 4 faces).
The shape you are describing is a triangular prism. A triangular prism has two triangular faces at the ends and four rectangular faces connecting the corresponding sides of the triangles. It has a total of six vertices, which are the corners where the edges meet.
A shape that has some triangular faces is a pyramid.