A triangular based pyramid has 4 vertices.
5
A triangular based pyramid has 4 vertices, 6 edges and 4 faces
A triangular based pyramid has 6 edges and 4 vertices.
A triangular based prism has 6 vertices and 9 edges.
A triangular based pyramid has 4 vertices, 6 edges and 4 faces
A triangular based pyramid has 4 vertices, 6 edges and 4 faces
A triangular based pyramid has 4 facxes, 4 vertices and 6 edges
A triangular based pyramid has 4 vertices, 6 edges and 4 faces
4
4
That will depend on its base because if it is square based then it will have 5 vertices but if it is triangular based then it will have 4 vertices