Respuesta :

Answer:

C

Step-by-step explanation:

Euler's formula for polyhedra states that

F + V - E = 2 ( F is faces, V vertices and E edges ), thus

F + 8 - 12 = 2, that is

F - 4 = 2 ( add 4 to both sides )

F = 6

The number of faces is 6

The short answer is c