How many edges and vertices are on a pyramid?

Answer 1

8 edges and 5 vertices.

* * * * *

Only if it is a quadrilateral based pyramid.

A pyramid is a generic term used to describe a polyhedron with a polygonal base and a number of triangles rising from that base to meet at an apex. A pyramid whose base is a polygon with n-sides (or vertices) has n+1 faces, n+1 vertices and 2n edges, where n ≥ 3.