Question

A polyhedron has 5 faces and 9 edges. The number of vertices is ​

Answer 1

Answer:

vertices => 6

Step-by-step explanation:

we are aware of,

F+V=E+2

5+V=9+2

5+V=11

V=11-5

V=6

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Answer 2

Answer:

We know that F+V=E+2 (by Euler's formula)

Let vertices be V.

5 +V =9 +2

5 +V =11

V. =11-5 =6ans.