No.
No.
A tetrahedron has 6 vertices that are all nonparallel.Therefore, a tetrahedron has 0 parallel lines.
No. The faces of a tetrahedron are equilateral triangles, but none of the faces is parallel to another one of the faces -- they could not be parallel, since by the definition of a tetrahedron, all the faces intersect(!) and parallel planes do not intersect.
no
No.
A tetrahedron is a triangular based pyramid that has 4 faces none of which are parallel it also has 6 edges and 4 vertices
A tetrahedron
None.
612985
None because a tetrahedron is a triangular based pyramid with 4 faces, 6 edges and 4 vertices
Tetrahedron
A tetrahedron is a triangular based pyramid that has no parallel edges whereas most prisms have parallel edges such as a cuboid or a cylinder.