Advertisements
Advertisements
Question
Dice are cubes where the numbers on the opposite faces must total 7. Which of the following are dice?

Advertisements
Solution
Among the given figures, only figure (i) is a dice.
This is because if we fold the given net from the edges, we'll get a cube in which the sum of the opposite faces is 7.

RELATED QUESTIONS
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.)

Name the polyhedron that can be made by folding net:

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.
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 | Vertices | Edges |
| 20 | 13 | 30 |
Verify Euler’s formula for the table given below.
| Faces | Vertices | Edges |
| 32 | 60 | 90 |
How many faces does the following solid have?
Octahedron
A solid that has only one vertex is ______.
A triangular prism has 5 faces, 9 edges and 6 vertices.
What defines the edges of a solid shape?
