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प्रश्न
Using Euler’s formula, find the value of unknown p in the following table.
| Faces | p |
| Vertices | 6 |
| Edges | 12 |
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उत्तर
By using Euler’s formula for polyhedron
From, V = 6, E = 12 and F = p
So, F + V – E = 2
⇒ p + 6 – 12 = 2
⇒ p – 6 = 2
⇒ p = 2 + 6
⇒ p = 8
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