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Question
Verify Euler's formula for the following polyhedron:

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

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