Answer:
Option B is correct.
Step-by-step explanation:
Polyhedron is a solid figure which is entirely made up of polygons.
Means faces of the polyhedron are the polygons.
Minimum number of polygons required to for a polyhedron is 4 triangles.
Polyhedron made up of 4 triangles is known as Tetrahedron.
Tetrahedron has 6 edges.
Therefore, Option B is correct.
