NCERT Solutions Class 7th Math Chapter 13 Visualising Solid Shapes Exercise 13.2

NCERT Solutions Class 7th Math Chapter 13 Visualising Solid Shapes

TextbookNCERT
Class 7th
Subject Mathematics
Chapter13th
Chapter NameVisualising Solid Shapes
CategoryClass 7th Mathematics
Medium English
SourceLast Doubt

NCERT Solutions Class 7 Math Chapter 13 Visualising Solid Shapes

Chapter – 13

Visualising Solid Shapes

Exercise 13.2

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

Ch 15 15.2
Ch 15 15.2

Ch 15 15.2
Solution: 
Ch 15 15.2

Ch 15 15.2
Ch 15 15.2

Ch 15 15.2

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

Solution: 
Ch 15 15.2

Ch 15 15.2

Ch 15 15.2

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

Solution: In the given figure, we have an isometric sketch of a cuboid formed by placing three cubes each of 2 cm edge side by side.

Ch 15 15.2

Question 4.Make an oblique sketch for each one of the given isometric shapes:
Ch 15 15.2
Solution: 

Ch 15 15.2

Ch 15 15.2

Question 5.Give (i) an oblique sketch and (ii) an isometric sketch for each of the following:
(а) A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?)
(b) A cube with an edge 4 cm long.
An isometric sheet is attached at the end of the book. You could try to make on it some cubes or cuboids of dimensions specified by your friend.

Solution: 
Ch 15 15.2
Ch 15 15.2
Ch 15 15.2
No, this sketch is not unique.

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