Question

Using Euler’s formula, Find X, Y and Z.

Faces 7 10 X

Vertices Y 12 18

Edges 9 Z 16​

Answer 1

Step-by-step explanation:

(1)Euler's formula=F+V-E=2

7+y-9=2

-2+y=2

y=4

(2)10+12=z+2

22=z+2

z=20

(3)The Faces would be none