Question

quantos vértices tem um poliedro de 4 faces triangulares,2 faces quadradas e 1 face hexagonal​

Answer 1

F=4+2+1= 7

A=4(3)+2(4)+1(6)/2=12+8+6/2=26/2=13

V=A+2 -F = 13+2 -7= 15 -7= 8 Vértices