5
A square pyramid has five vertices whereas a triangular pyramid (tetrahedron) has four.
Verticals are corners so in a two dimensional a square has 4 verticals
4
A square based pyramid has 12 angles
Either no verticals or two verticals and two horizontals.
A square pyramid has 5 vertices
None.
Normally none.
5
It has 8 edges.
A square pyramid is a polyhedron with a square base and triangular sides that meet at a point at the top. This gives this pyramid five faces.