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Question
Verify Euler's formula for the following polyhedron:

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Solution
In the following polyhedron:
Edges E=16
Faces F=9
Vertices V=9

Now, putting these values in Euler's formula:
LHS: F+V
= 9 + 9
= 18
RHS: E + 2
=16+2
=18
LHS = RHS
Hence, Euler's formula is satisfied.
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