Four. The prefix "tetra" means four.
There is no such shape. A tetrahedron has 6 edges, but it is NOT a prism.
16 vertices.16 vertices.16 vertices.16 vertices.
A pentacontagon has 50 vertices (not vertices's!).
8 vertices
None because a tetrahedron is a triangular based pyramid with 4 faces, 6 edges and 4 vertices
A tetrahedron has 4 vertices and 4 faces.
2 lines of symmetry
6 edges and 4 corners
Four. The prefix "tetra" means four.
There is no such shape. A tetrahedron has 6 edges, but it is NOT a prism.
None. Each face is an equilateral triangle.
16 vertices.16 vertices.16 vertices.16 vertices.
A pentacontagon has 50 vertices (not vertices's!).
8 vertices
Eight vertices
it has 30 vertices