A polyhedron (solid shape formed by plane faces) with four faces is called a tetrahedron.
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A three-dimensional figure or shape, such as a tetrahedron, has four faces. These faces are equilateral triangles. A tetrahedron also has four vertices and 6 edges.
By its very nature of being a triangle, and a 2D shape, a triangle cannot have four plane faces. However, a tetrahedron is a polyhedron made up of four triangular faces.
A tetrahedron, also called a pyramid is a three-dimensional shape with four faces.
None. A shape with four faces is a tetrahedron and that has 4 vertices, not 6.
Its a rectangular prism