Question

Using Euler’s formula find the unknown:

Faces = 20, Vertices = 12, Edges = ?​

Answer 1

Answer:

Euler's formula = F+V = E+2

F= faces = 20

V = vertices = 12

E = edges = ?

20+12 = E + 2

32 = E+2

32-2 =E

30 = E

Answer = Edges = 30