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प्रश्न
Dice are cubes where the sum of the numbers on the opposite faces is 7. Find the missing numbers a, b and c.
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उत्तर
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संबंधित प्रश्न
Using Euler’s formula, find the unknown.
| Faces | ? | 5 | 20 |
| Vertices | 6 | ? | 12 |
| Edges | 12 | 9 | ? |
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| Faces | Vertices | Edges |
| ? | 6 | 14 |
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