Students can Download Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.

## 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:

Nets in (ii), (iii), (iv), (vi) form cubes.

Question 2.

Dice are cubes with dots on each face. Opposite faces of a dice 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.

Insert suitable numbers in the blanks, remembering that the number on the opposite faces should total to 7.

Solution:

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:

There are three faces in the net given above. The two diagram are:

Question 5.

Match the nets with appropriate solids:

Solution:

(a) ii

(b) iii

(c) iv

(d) i