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  • Complete JEE Main/Advanced Course and Test Series
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Visualising Solid Shapes Exercise 19.2



Question: 1



Match the following nets with appropriate solids:



Visualising Solid Shapes Exercise 19.2 Question 1



Solution:



Here,



(a) → (ii)



(b) → (iii)



(c) → (iv)



(d) → (i)



 



Question: 2



Identify the nets which can be used to make cubes (cut-out the nets and try it):



Visualising Solid Shapes Exercise 19.2 Question 2



Solution:



Only (ii), (iv) and (vi) form a cube.



 



Question: 3



Can the following be a net for a die? Explain your answer.



Visualising Solid Shapes Exercise 19.2 Question 3



Solution:



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.



 



Question: 4



Out of the following four nets there are two correct nets to make a tetrahedron. Identify them.



Visualising Solid Shapes Exercise 19.2 Question 4



Solution:



For making a tetrahedron, only (i) and (iii) are suitable nets.



 



Question: 5



Here is an incomplete net for making a cube. Complete it in at least two different ways.



Visualising Solid Shapes Exercise 19.2 Question 5



Solution:



The complete nets for making a cube are Images



Visualising Solid Shapes Exercise 19.2 Solution 5


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