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Question
Verify Euler's formula for the following polyhedron:

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Solution
In the following polyhedron:
Edges E=8
Faces F=5
Vertices V=5

Now, putting these values in Euler's formula:
LHS: F+V
= 5 + 5
= 10
RHS: E + 2
=8+2
=10
LHS = RHS
Hence, Euler's formula is satisfied.
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