NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1, are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1.
NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1
Question 1.
Identify the nets which can he used to make cubes (cut out copies of the nets and try it) :
Solution:
(ii), (iii), (iv) and (vi).
Question 2.
Dice are cubes with dots on each face. Opposite faces of a die always have a total of seven dots on them. Here are two nets to make dice (cubes); the numbers inserted in each square indicate the number of dots in that box.
Solution:
Insert suitable numbers in the blanks, remembering that the number on the opposite faces should total to 7.
Question 3.
Can this be a net for a die? Explain your answer.
Solution:
No;
Because one pair of opposite faces will have 1 and 4 on them whose total is not 7 and another pair of opposite faces will have 3 and 6 on them whose total is also not 7.
Question 4.
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).
Solution:
In the net given here three faces are shown.
Question 5.
Match the nets with appropriate solids :
Solution:
(a) ↔ (ii)
(b) ↔ (iii)
(c) ↔ (iv)
(d) ↔ (i)
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