Using Euler's formula find the unknown.
Faces ? 5 20
Vertices 6 ? 12
Edges 12 9 ?

Open in App

Solution

Faces $(F)$ $F = 2 + E - V = 2 + 12 - 6 = 8$ $5$ $20$
Vertices $(V)$ $6$ $V = 2 + E - F = 2 + 5 - 9 = - 2$ $12$
Edges $(E)$ $12$ $9$ $E = V + F - 2 = 12 + 20 - 2 = 30$

Suggest Corrections

Similar questions

Using Euler's formula find the unknown:

$\begin{matrix} F a c e s & ? & 5 & 20 V e r t i c e s & 6 & ? & 12 E d g e s & 12 & 9 & ? \end{matrix}$

Join BYJU'S Learning Program