Students can Download Chapter 15 Visualising Solid Shapes Ex 15.1, Question and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations.

## Karnataka State Syllabus 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:

In the given figures ii), iii), iv) and vi) which can be used to make cubes.

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, It is not a net for a die. Because one pair of opposite faces will have 1 and 4 on them whose total is not equal to 7 and another pair of opposite faces will have 3 and 6 on them, its total is also not equal to 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 on 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)