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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 triangle
In this case, name the object.
उत्तर
Cone
संबंधित प्रश्न
Can a polyhedron have for its faces 3 triangles?
The given Figure are prisms or not?
How are pyramids and cones alike?
Verify Euler’s formula for given solids
Verify Euler’s formula for given solids.
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:
Draw net for the following polyhedron :
Draw net for the following polyhedron :
If a polyhedron has 10 vertices and 7 faces, 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.
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 |
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 12 | 20 | 30 |
Verify Euler’s formula for the table given below.
| Faces | Vertices | Edges |
| 20 | 13 | 30 |
Verify Euler’s formula for the table given below.
| Faces | Vertices | Edges |
| 32 | 60 | 90 |
Using Euler’s formula, find the unknowns.
| Faces | Verticles | Edges |
| 20 | 10 | ? |
In the figure, 
the number of faces meeting at B is ______.
A solid figure with only 1 vertex is a ______.
Total number of faces in a pyramid which has eight edges is ______.
How many faces does the following solid have?
Tetrahedron
How many vertices does the following solid have?
Cylinder
How many edges does the following solid have?
Kaleidoscope
The common portion of two adjacent faces of a cuboid is called ______.
The corners of solid shapes are called its ______.
