Advertisements
Advertisements
प्रश्न
If a polyhedron has 10 vertices and 7 faces, find the number of edges in it.
उत्तर
Vertices = 10
Faces = 7
Using Eulers formula,
F + V – E = 2
7 + 10 – E = 2
-E = -15
E = 15
APPEARS IN
संबंधित प्रश्न
How are prisms and cylinders alike?
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.)
Verify Euler's formula for the following polyhedron:
Verify Euler's formula for the following polyhedron:
Draw at least three different nets for making a cube.
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.
Verify Euler’s formula for the table given below.
| Faces | Verticles | Edges |
| 12 | 20 | 30 |
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
