Ncert Solutions For Class 7 Maths Ex 15.2

Ncert Solutions For Class 7 Maths Chapter 15 Ex 15.2

 Q.1. Use isometric dot paper and make an isometric sketch for each one of the given shapes:

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Solution:

(i) and (ii)

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(iii) and (iv)

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Q.2. The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches of this cuboid.

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Solution: The dimensions of given cuboid are 5 cm, 3 cm and 2 cm:

Three different isometric sketches are:

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Q.3. Three cubes each with 2 cm edge are placed side by side to form a cuboid. Sketch an oblique or isometric sketch of this cuboid.

Solution:

Oblique sketch:

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Isometric sketch:

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Q.4. Make an oblique sketch for each one of the given isometric shapes:

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Solution:

Oblique sketches:

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Q.5. Give (i) an oblique sketch and (ii) an isometric sketch for each of the following:

(a) A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?)

(b) A cube of dimension 4 cm .

Solution:

(a)A cuboid of dimension 5 cm, 3 cm and 2 cm.

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(b) A cube of dimension 4 cm .

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Q.6. An isometric sheet is attached at the end of the book. You could try to make some cubes or cuboids of dimensions specified by your friend.

Solution: Cubes and cuboids shapes on the isometric sheet are given below:

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You can also draw more shapes of cubes and cuboids.