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प्रश्न
Can a polyhedron have for its face 3 triangles?
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उत्तर
No, because in order to complete a polyhedron, we need at least four triangular faces.
संबंधित प्रश्न
Verify Euler’s formula for given solids
Verify Euler's formula for the following polyhedron:
Using Euler's formula find the unknown:
| Faces | ? | 5 | 20 |
| Vertices | 6 | ? | 12 |
| Edges | 12 | 9 | ? |
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Draw net for the following polyhedron :
The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:
A rectangle
In this case, name the object.
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In the given below net to make dice (cube), the numbers inserted in the square indicate the number of dots in it.
Insert suitable numbers in the blank so that numbers in opposite faces of the die have a total of seven dots.
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 4 | 4 | 6 |
In the figure, 
the number of faces meeting at B is ______.
How many edges does the following solid have?
Kaleidoscope
