Question

if a polyhedron has 10 faces, 12 vertices then how many edges it has?​

Answer 1

Answer:

using Euler formula

f+v=e+2

10+12=f+2

22=f+2

f=22-2

f=20

Answer 2

Answer:

By using Euler formula=vertices-edges+faces=2

12-edges+10=2.

edges=12+10-2

Hence;edges=20

Hope it's help