Question

Find the number of vertices of a polyhedron having 12 faces and 30 edges?

10
20
25
30

Answer 1

Answer:

Euler's polyhedron formula, V−E+F=2

V = number of vertices

E = number of edges

F = number of faces

So, 12−30+F=2

F−18=2

F=18+2

F=20

Number of faces = 20.

Step-by-step explanation:

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