## Chapter 15 Visualising Solid shapes Exercise 15.1

**Question 1: Identify the nets which can be used to make cubes (cut out copies of the nets and try it):****Answer:** (ii), (iii), (iv) and (vi) 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.**

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

**Question 3: Can this be a net for a die? Explain your answer.**

**Answer:** No, this cannot be a net for a die as one pair of opposite faces will have 1 and 4 on them and another pair of opposite faces will have 3 and 6 on them whose total is 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 in the net here?(Give two separate diagrams. If you like, you may use a squared sheet for easy manipulation.)**

**Answer:**

There are three faces in the given net

**Question 5: Match the nets with appropriate solids:**

## No comments:

## Post a Comment