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प्रश्न
The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:
A square
In this case, name the object.
उत्तर
Cube
संबंधित प्रश्न
The given Figure are prisms or not?
The given Figure are prisms or not?
The given Figure are prisms or not?
Here is an incomplete net for making a cube. Complete it in at least two different ways. Remember that a cube has six faces. How many are there in the net here? (Give two separate diagrams. If you like, you may use a squared sheet for easy manipulation.)
Can a polyhedron have for its face 4 triangles?
Verify Euler's formula for the following polyhedron:
Verify Euler's formula for the following polyhedron:
Name the polyhedron that can be made by folding net:
Draw net for the following polyhedron :
Draw net for the following polyhedron :
State, the number of faces, number of vertices and number of edges of:
(i) a pentagonal pyramid
(ii) a hexagonal prism
Draw at least three different nets for making a cube.
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 |
Dice are cubes with dots or dots on the face. Opposite faces of a die always have a total of seven on them.
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 | Vertices | Edges |
| 20 | 13 | 30 |
Verify Euler’s formula for the table given below.
| Faces | Vertices | Edges |
| 32 | 60 | 90 |
Using Euler’s formula, find the unknowns.
| Faces | Vertices | Edges |
| 8 | ? | 10 |
In the figure, 
the number of faces meeting at B is ______.
Total number of faces in a pyramid which has eight edges is ______.
How many faces does the following solid have?
Octahedron
How many vertices does the following solid have?
Octagonal Pyramid
How many vertices does the following solid have?
Tetrahedron
Find the number of faces in the given shape:
A solid that has only one vertex is ______.
A triangular prism has 5 faces, 9 edges and 6 vertices.
How many faces does figure have?
