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Faces, Edges and Vertices of 3D Objects

For a polyhed...

Question

For a polyhedron if F + V = 11, then what is the value of E?

A

2

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B

8

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C

9

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D

10

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Solution

The correct option is C 9
F + V = 11

By Euler's formula,
F + V = E - 2
11 = E -2
E = 11 - 2 = 9
E = 9

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