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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 rectangle
In this case, name the object.
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उत्तर
Cuboid
संबंधित प्रश्न
The given Figure are prisms or not?
Using Euler’s formula, find the unknown.
| Faces | ? | 5 | 20 |
| Vertices | 6 | ? | 12 |
| Edges | 12 | 9 | ? |
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.)
Is a square prism same as a cube?
Verify Euler's formula for the following polyhedron:
If a polyhedron has 10 faces and 8 vertices, find the number of edges in it.
Dice are cubes where the sum of the numbers on the opposite faces is 7. Find the missing numbers a, b and c.
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.
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.
Identify if the following net can be used to form a cube:
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 10 | 6 | 12 |
Using Euler’s formula, find the unknowns.
| Faces | Verticles | Edges |
| 20 | 10 | ? |
The number of edges in a parallelogram is 4.
How many faces does the following solid have?
Hexahedron
How many faces does the following solid have?
Octagonal Pyramid
How many vertices does the following solid have?
Cylinder
All faces of a pyramid are always ______.
A solid that has only one vertex is ______.
A plane surface of a solid enclosed by edges is called ______.
How many faces does a cylinder have?
