Question

Let the six faces of acube be numbered 1, 2 ,3,4,5,6 in such a way that the 3 pairs (1,6) , (2,5) ,(3,4) lie in oppisite faces of the cube .At each vertersof the cube , the product of the three numbers on the three faces containing theverters us written. what is the sum of all the eight numbers written at the eight vertices of thecube​

Answer 1

Explanation:

Faces =3 pairs (1,6),(2,5), (3,4)

Vertices=8

Edges=?

Using euler formula

F+V-E=2

3+8-?=2

11-?=2

?=2-11

?=9

The answer is 9