Advertisements
Advertisements
Question
Using Euler’s formula, find the unknowns.
| Faces | Verticles | Edges |
| 20 | 10 | ? |
Advertisements
Solution
Euler’s formula is given by F + V – E = 2
F = 20, V = 10
By Euler’s formula = 20 + 10 – E = 2
30 – E = 2
E = 30 – 2
E = 28
Tabulating the required unknowns
| Faces | Verticles | Edges |
| 20 | 10 | 28 |
APPEARS IN
RELATED QUESTIONS
Is it possible to have a polyhedron with any given number of faces? (Hint: Think of a pyramid).
The given Figure are prisms or not?

Can a polyhedron have 10 faces, 20 edges and 15 vertices?
Verify Euler's formula for the following polyhedron:

Name the polyhedron that can be made by folding net:

Total number of faces in a pyramid which has eight edges is ______.
How many vertices does the following solid have?
Cone
How many vertices does the following solid have?
Sphere
All faces of a pyramid are always ______.
The common portion of two adjacent faces of a cuboid is called ______.
