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प्रश्न
In the figure, 
the number of faces meeting at B is ______.
उत्तर
In the figure, the number of faces meeting at B is 4.
Explanation:
Here, faces are EDB, DCB, EAB and ACB.
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संबंधित प्रश्न
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(i) a pentagonal pyramid
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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.
The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:
A triangle
In this case, name the object.
Using Euler’s formula, find the values of a, b, c and d.
| Faces | a | 5 | 20 | 6 |
| Vertices | 6 | b | 12 | d |
| Edges | 12 | 9 | c | 12 |
How many faces does the following solid have?
Octagonal Pyramid
How many vertices does the following solid have?
Cylinder
How many edges does the following solid have?
Octagonal Pyramid
A cylinder has no vertex.
