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23-11-2019
Mathematics

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a polyhedron has 6 vertices and 9 edges how many faces

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23-11-2019

Answer: 5 faces

Step-by-step explanation:

The Euler's polyhedron formula states that:

number vertices - number of edges + number of faces = 2

That is :

6 - 9 + F = 2

-3 + f = 2

f = 2 + 3

f = 5

Therefore , it has 5 faces

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