Four. The prefix "tetra" means four.
None. Each face is an equilateral triangle.
A tetrahedron has 4 vertices and 4 faces.
None because a tetrahedron is a triangular based pyramid with 4 faces, 6 edges and 4 vertices
5 vertices
2 lines of symmetry
6 edges and 4 corners
There is no such shape. A tetrahedron has 6 edges, but it is NOT a prism.
A tetrahedron has 4 vertices's, 6 edges, and 4 faces. Each face is a triangle.It looks like a triangle based pyramid.
a tetrahedon
A tetrahedron is a three-dimensional figure with four equilateral triangles. Every pyramid with a triangle as the base is a tetrahedron.
10 faces 10 faces
no faces