RD Sharma Solutions Class 7 Chapter 19 Exercise 19.2
Q1: Match the following nets with appropriate solids:
(a) -> (ii)
Q2: Identify the nets which can be used to make cubes (cut-out the nets and try it):
Only (ii), (iv) and (vi) form a cube.
Q3: Can the following be a net for a die? Explain your answer.
Since, in a die, the sum of the number of opposite faces of a die is 7. In the given figure, it is not possible to get the sum as 7. Hence the given net is not suitable for a die.
Q4: Out of the following four nets there are two correct nets to make a tetrahedron. Identify them.
A4: For making a tetrahedron, only (i) and (iii) are suitable nets.
Q5: Here is an incomplete net for making a cube. Complete it in at least two different ways.
The complete nets for making a cube are Images