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प्रश्न
Dice are cubes where the numbers on the opposite faces must total 7. Which of the following are dice?

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उत्तर
Among the given figures, only figure (i) is a dice.
This is because if we fold the given net from the edges, we'll get a cube in which the sum of the opposite faces is 7.

संबंधित प्रश्न
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The given Figure are prisms or not?

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The following figure represent the nets of some solid. Name the solid

Verify Euler’s formula for the table given below.
| Faces | Vertices | Edges |
| 20 | 13 | 30 |
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