Question

The number of edge in a polyhedron with 8 faces and 12 vertice is​

Answer 1

Answer:

Polyhedra

Name # of Faces # of Edges

Cube 6 12

Regular Octahedron 8 12

Regular Dodecahedron 12 30

Regular Icosahedron 20 30

Answer 2

Answer:

By Euler's formula

⇒ F + V - E = 2

⇒ 8 + 12 - E = 2

⇒ 20 - E  = 2

⇒ -E = 2 - 20

⇒ E = 18

∴ The polyhedron have 18 edges.

hope it will help you.