Respostas

  • Usuário do Brainly
2014-07-12T18:45:06-03:00
F=5+5+1
F=11

V+F=A+2
~~>V-A=-9

N=2.A
3.5+5.4+1.5=2.A
A=15+20+5/2
~~>A=20 arestas

V-20=-9
V=20-9
~~>V=11 vértices