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Question
Using Euler’s formula, find the unknowns.
| Faces | Vertices | Edges |
| 8 | ? | 10 |
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Solution
Euler’s formula is given by F + V – E = 2
F = 8, E = 10
By Euler’s formula = 8 + V – 10 = 2
V = 2 – 8 + 10
V = 4
Tabulating the required unknowns
| Faces | Vertices | Edges |
| 8 | 4 | 10 |
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