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प्रश्न
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
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उत्तर
In the given figure, we have
Faces (F) = 2, Vertices (V) = 1 and Edges (E) = 0
On putting these values in Euler’s formula, we get
F + V – E = 2
⇒ 2 + 1 – 0 = 2
⇒ 3 ≠ 2
Hence, these values do not satisfy the Euler’s formula. So, it is not a polyhedra.
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संबंधित प्रश्न
Which of the following cannot be true for a polyhedron?
Euler’s formula is true for all three-dimensional shapes.
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
Look at the shapes given below and state which of these are polyhedra using Euler’s formula.
Using Euler’s formula, find the value of unknown z in the following table.
| Faces | 9 |
| Vertices | z |
| Edges | 16 |
Using Euler’s formula, find the value of unknown p in the following table.
| Faces | p |
| Vertices | 6 |
| Edges | 12 |
Check whether a polyhedron can have V = 12, E = 6 and F = 8.
