Question

Using Euler’s formula, find the unknown.

(a) Faces _____, Vertices 12, Edges 30
plz answer me ​

Answer 1

Answer:

f+v=e+2

Step-by-step explanation:

x+12=30+2

x=32-12=10

Answer 2

Answer:

20 is your answer

Step-by-step explanation:

f + v = e + 2

=>f + 12 = 30 + 2

=> f = 32 - 12

=> f = 20