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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.
उत्तर
Cuboid
संबंधित प्रश्न
Can a polyhedron have for its faces 4 triangles?
Can a polyhedron have for its faces a square and four triangles?
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 3 triangles?
Is it possible to have a polyhedron with any given number of faces?
Verify Euler's formula for the following polyhedron:
Using Euler's formula find the unknown:
| Faces | ? | 5 | 20 |
| Vertices | 6 | ? | 12 |
| Edges | 12 | 9 | ? |
Which among the following are nets for a cube?
Dice are cubes where the sum of the numbers on the opposite faces is 7. Find the missing numbers a, b and c.
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.
The following figure represent the nets of some solid. Name the solid
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 4 | 4 | 6 |
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 10 | 6 | 12 |
Using Euler’s formula, find the unknowns.
| Faces | Vertices | Edges |
| ? | 6 | 14 |
A solid figure with only 1 vertex is a ______.
How many faces does the following solid have?
Tetrahedron
How many faces does the following solid have?
Hexahedron
How many vertices does the following solid have?
Cylinder
How many vertices does the following solid have?
Octagonal Pyramid
How many edges does the following solid have?
Sphere
The corners of solid shapes are called its ______.
Find the number of faces in the given shape:
Find the number of faces in the given shape:
