GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1

   

Gujarat Board GSEB Textbook Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 Textbook Questions and Answers.

Gujarat Board Textbook Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1

GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1

Question 1.
Identify the nets which can be used to make cubes (cut out copies of the nets and try it):
Solution:
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 1
(ii), (iii), (iv) and (vi) can be used to make cubes.

GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1

Question 2.
Dice are cubes with dots on each face. Opposite faces of a die always have a total of seven dots on them.
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 2
Here are two nets to make dice (cubes); the numbers inserted in each square indicate the number of dots in that box.
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 3
Insert suitable numbers in the blanks, remembering that the number on the opposite faces should total to 7.
Solution:
 GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 4

Question 3.
Can this be a net for a diet Explain your answer.
Solution:
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 5
No. Because one pair of opposite faces will have 1 and 4 on them whose total is not equal to 7. Another faces are having 3 and 6 on them whose total is also not equal to 7.

GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1

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.)
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 6
Solution:
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 7

Question 5.
Match the nets with approprite solids:
GSEB Solutions Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 8
Solution:
(a) – (ii)
(b) – (iii)
(c) – (iv)
(d) – (i)

Leave a Comment

Your email address will not be published. Required fields are marked *