How many edges does a pyramid have triangle?

Answer 1

5. 4 on the bottom and 1 on top at the peak

* * * * *

So not true!

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.

So, a triangular pyramid, or tetrahedron, has 6 edges.

Answer 2

6 if it has a triangular base

7 if its base is a square