Question

A convex polyhedron has 18 edges and 4 more vertices than faces. How many faces does the polyhedron have?

Euler’s formula: V + F = E + 2

8
12
14
16

Answer 1

8

Explanation:

got it right on test

Answer 2

8 faces

Explanation:

F = # faces

4 + F + F = 18 + 2

2F + 4 = 20

2F = 16

F = 8