A tetrahedron.
A triangular pyramid has 5 planes. * * * * * In fact, a triangular pyramid is also known as a tetrahedron and as its name suggests, it has 4 plane faces.
A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.
All except the base are always triangles; the shape of the base gives the name to the pyramid; eg a pentagonal pyramid has a pentagon as the base and five triangular faces; a triangular pyramid has three triangular faces and also has a triangle for the base.
the difference is a triangular pyramid has a point at the top and a triangular prism doesn't and a triangular pyramid has a square at the bottom and tringular prism doesn't
Another name is tetrahedra
A tetrahedron.
A triangular pyramid.
A tetrahedron.
A tetrahedron.
A triangular pyramid is called a Tetrahedron ■
As answered on another link, it's a tetrahedron, provided the faces are equal
a triangular based pyramid
A triangular based pyramid with 4 equilateral triangle faces is a tetrahedron
A triangular pyramid has 5 planes. * * * * * In fact, a triangular pyramid is also known as a tetrahedron and as its name suggests, it has 4 plane faces.
Trapezium, or triangular pyramid * * * * * A triangular pyramid, yes. But not a trapezium since that does not have four triangular faces.
A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.