Question

A polyhedron has 11 faces and 18 vertices. find the number of edges

Answer 1

Use Euler's formula for polyhedra: V - E + F = 2  

vertices - edges + faces = 2  

So edges = vertices + faces - 2 = 18 + 11 - 2 = 27.  

27 edges.

Answer 2

Answer:

 27 edges.

Step-by-step explanation:

Use Euler's formula for polyhedron: V - E + F = 2   ( Vertices - Edges + faces = 2)

So edges = vertices + faces - 2 = 18 + 11 - 2

                                                    = 27

ANSWER =   27 edges

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