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प्रश्न
Draw at least three different nets for making a cube.
उत्तर
(i)
(ii)
(iii)
संबंधित प्रश्न
The given Figure are prisms or not?
The given Figure are prisms or not?
How are pyramids and cones alike?
Verify Euler’s formula for given solids.
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.)
Can a polyhedron have for its face 3 triangles?
Can a polyhedron have for its face 4 triangles?
Can a polyhedron have 10 faces, 20 edges and 15 vertices?
Name the polyhedron that can be made by folding net:
Name the polyhedron that can be made by folding net:
Name the polyhedron that can be made by folding net:
Draw net for the following polyhedron :
Match the following figure:
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.
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.
The following figure represent the nets of some solid. Name the solid
The following figure represent the nets of some solid. Name the solid
Using Euler’s formula, find the unknowns.
| Faces | Vertices | Edges |
| ? | 6 | 14 |
Using Euler’s formula, find the unknowns.
| Faces | Verticles | Edges |
| 20 | 10 | ? |
How many faces does the following solid have?
Tetrahedron
How many faces does the following solid have?
Octagonal Pyramid
How many vertices does the following solid have?
Cone
How many vertices does the following solid have?
Sphere
How many vertices does the following solid have?
Tetrahedron
How many edges does the following solid have?
Hexagonal Prism
A plane surface of a solid enclosed by edges is called ______.
