Question

1)Using Euler's formula, find V, if E = 30, F=12.

a. 42
c. 21
d. 20
b. 18​

Answer 1

Answer:

d. 20

Step-by-step explanation:

Euler's Formula: V-E+F=2

V-30+12=2

V-18=2

V=2+18

V=20

Answer 2

Answer:

d.20

F+V=E+2

12+V=30+2

12+V=32

V= 32-12

V= 20.

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