Question

(2) Can a polyhedron have 20 Faces, 30 Edges and 12 Vertices? Prove by Euler’s formula.​

Answer 1

Answer:

Euler's polyhedron formula, V−E+F=2

V = number of vertices

E = number of edges

F = number of faces

So, 12−30+F=2

F−18=2

F=18+2

F=20

Number of faces = 20.