Question

using euler's formula find the unknown​

Answer 1

Answer:

Step-by-step explanation:

F+V = E+2.

6+8 = a+2 = 7.

3+b = 1+2 = 1.

Answer 2

Answer:

using euler's formula we know that,

F+V=E+2

E=F+V-2

=6+8-2

=12