RD Sharma Solutions Class 7 Visualising Solid Shapes Exercise 19.2

RD Sharma Solutions Class 7 Chapter 19 Exercise 19.2

RD Sharma Class 7 Solutions Chapter 19 Ex 19.2 PDF Free Download

Exercise 19.2

Q1: Match the following nets with appropriate solids:

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A1:  Here,

(a) -> (ii)

(b)-> (iii)

(c)-> (iv)

(d)-> (i)

Q2: Identify the nets which can be used to make cubes (cut-out the nets and try it):

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A2:

Only (ii), (iv) and (vi) form a cube.

Q3: Can the following be a net for a die? Explain your answer.

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A3:

Since, in a die, the sum of the number of opposite faces of a die is 7. In the given figure, it is not possible to get the sum as 7. Hence the given net is not suitable for a die.

Q4: Out of the following four nets there are two correct nets to make a tetrahedron. Identify them.

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A4: For making a tetrahedron, only (i) and (iii) are suitable nets.

Q5: Here is an incomplete net for making a cube. Complete it in at least two different ways.

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A5:

The complete nets for making a cube are Images

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