Question

Qual o numero de vertices de um poliedro de 8 faces sendo 4 triangulares e 4 quadrangulares

Answer 1

use a formula v+f+a+2
v- Vertice
f-face
a- aresta
v= a+2-f
v=14+2-8
v=8
arestas = (4q+4t)------>Q -FACES
quadrangulares / T- Faces triangulares
arestas = (16+12)/2+14