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प्रश्न
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.
उत्तर
संबंधित प्रश्न
The given Figure are prisms or not?
How are prisms and cylinders alike?
Can a polyhedron have 10 faces, 20 edges and 15 vertices?
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.)
What is the least number of planes that can enclose a solid? What is the name of the solid?
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:
Name the polyhedron that can be made by folding net:
Dice are cubes where the numbers on the opposite faces must total 7. Which of the following are dice?
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
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 |
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, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 10 | 6 | 12 |
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 |
| ? | 6 | 14 |
Using Euler’s formula, find the unknowns.
| Faces | Vertices | Edges |
| 8 | ? | 10 |
Using Euler’s formula, find the unknowns.
| Faces | Verticles | Edges |
| 20 | 10 | ? |
Total number of faces in a pyramid which has eight edges is ______.
The number of edges in a parallelogram is 4.
Find the number of faces in the given shape:
All faces of a pyramid are always ______.
A triangular prism has 5 faces, 9 edges and 6 vertices.
