Question

5. Using Euler's formula, find the unknown.
Faces
10
6.
C с
Vertices
12
6
9
Edges
a
12
16​

Answer 1

Answer:

$f + v - e = 2$

Step-by-step explanation:

f=c,v=9,e=16.

f + v - e = 2

substitute the values in the formula

c + 9 - 16 = 2

substitute c=9

9 + 9 - 16 = 2

18 - 16 = 2

2 = 2

L.H.S = R.H.S