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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
What is the least number of planes that can enclose a solid? What is the name of the solid?
Can a polyhedron have for its face 4 triangles?
Which among the following are nets for a cube?
Name the polyhedron that can be made by folding net:
Draw net for the following polyhedron :
If a polyhedron has 10 faces and 8 vertices, find the number of edges in it.
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 | Vertices | Edges |
| 20 | 13 | 30 |
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?
Tetrahedron
How many faces does the following solid have?
Octahedron
How many vertices does the following solid have?
Sphere
How many vertices does the following solid have?
Octagonal Pyramid
All faces of a pyramid are always ______.
The common portion of two adjacent faces of a cuboid is called ______.
A cylinder has no vertex.
Which 3D solid has no vertices and no edges?
