triangular pyramaid
A triangular prism has three rectangular faces and two triangular faces.
A three dimensional triangular figure with three faces and a base is called a triangular pyramid. It has four vertices, four faces, and six edges.
Pyramid
The triangular pyramid has.
Tetrahedron has three sides and a base all triangular.
No. A sphere is a three dimensional shape which has no polygonal faces. Similarly an ellipsoid, a torus, a paraboloid, hyperboloid etc are 3-D shapes with no polygonal faces.
A triangular dipyramid.A triangular dipyramid.A triangular dipyramid.A triangular dipyramid.
tetrahedron, a triangular pyramid
A di-tetrahedron.
tetrahedron
A three dimensional shape bounded by plane (flat) faces is a polyhedron.
Two triangles and three rectangles.