Class 6 - Mathematics
Chapter - Visualizing Solid Shapes : Exercise 15.2
![NCERT Solutions Class 7 Mathematics textbook](https://ncertplanet.com/wp-content/uploads/2020/05/07_Maths_Book.jpg)
Top Block 1
Questions 1. Use isometric dot paper and make an isometric sketch for each one of the given shapes:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_q1_1.jpg)
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_q1_2.jpg)
Answer :
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a1_1.jpg)
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a1_2.jpg)
Mddle block 1
Question: 2. The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches of this cuboid.
Answer :
The dimensions of given cuboid are 5 cm, 3 cm and 2 cm:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a2_1.jpg)
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a2_2.jpg)
Question: 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.
Answer :
Oblique sketch:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a3_1.jpg)
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a3_2.jpg)
Question: 4. Make an oblique sketch for each one of the given isometric shapes:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_q4.jpg)
Answer :
Oblique sketches:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a4.jpg)
Question: 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 with an edge 4 cm long.
Answer :
(a) A cuboid of dimension 5 cm, 3 cm and 2 cm.
(i) Oblique sketch (ii) Isometric sketch
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a5_a.jpg)
(i) Oblique sketch
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a5_b1.jpg)
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a5_b2.jpg)
Question 6. 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.
Answer :
Cubes and cuboids shapes on isometric sheet given below:
![NCERT Solutions Class 7 Mathematics Visualizing Solid Shapes](https://ncertplanet.com/wp-content/uploads/2020/05/math7_ex_15_2_a6.jpg)