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Selina solutions for Mathematics [English] Class 6 chapter 31 - Recognition of Solids [Latest edition]

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Selina solutions for Mathematics [English] Class 6 chapter 31 - Recognition of Solids - Shaalaa.com
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Solutions for Chapter 31: Recognition of Solids

Below listed, you can find solutions for Chapter 31 of CISCE Selina for Mathematics [English] Class 6.


Exercise 31
Exercise 31

Selina solutions for Mathematics [English] Class 6 31 Recognition of Solids Exercise 31

Exercise 31 | Q 1.1

Identify if the following net can be used to form a cube:

  • Yes

  • No

Exercise 31 | Q 1.2

Identify if the following net can be used to form a cube:

  • Yes

  • No

Exercise 31 | Q 1.3

Identify if the following net can be used to form a cube:

  • Yes

  • No

Exercise 31 | Q 1.4

Identify if the following net can be used to form a cube:

  • Yes

  • No

Exercise 31 | Q 1.5

Identify if the following net can be used to form a cube:

  • Yes

  • No

Exercise 31 | Q 2

Draw at least three different nets for making a cube.

Exercise 31 | Q 3

The dimensions of a cuboid are 6 cm, 4 cm and 3 cm. Draw two different types of oblique sketches for this cuboid.

Exercise 31 | Q 4

Two cubes, each with 3 cm edge, are placed side by side to form a cuboid. For this cuboid, draw: 
(i) an oblique sketch
(ii) an isometric sketch.

Exercise 31 | Q 5.1

The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:


   A square

In this case, name the object.

Exercise 31 | Q 5.2

The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:


     A rectangle

In this case, name the object.

Exercise 31 | Q 5.3

The following figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:

Exercise 31 | Q 5.4

The figure, given below, shows shadows of some 3D object when seen under the lamp of an overhead projector:


   A triangle

In this case, name the object.

Exercise 31 | Q 6

Look at the solids, drawn below, and fill the given chart.

(i)


Triangular pyramid

(ii)


Square pyramid

(iv)


Hexagonal

Polyhedon Faces(F) Vertices(V) Edges(E) F - E + V
(a) Triangular pyramid        
(b) Square pyramid        
(c) Hexahedron        
(d) Hexagonal prism        
Exercise 31 | Q 7.1

Dice are cubes with dots or dots on the face. Opposite faces of a die always have a total of seven on them.
In the given below net to make dice (cube), the numbers inserted in the square indicate the number of dots in it.

Insert suitable numbers in the blank so that numbers in opposite faces of the die have a total of seven dots.

Exercise 31 | Q 7.2

Dice are cubes with dots or dots on the face. Opposite faces of a die always have a total of seven on them.
In the given below net to make dice (cube), the numbers inserted in the square indicate the number of dots in it.

Insert suitable numbers in the blank so that numbers in opposite faces of the die have a total of seven dots.

Exercise 31 | Q 8.1

The following figure represent nets of some solid. Name the solid.

Exercise 31 | Q 8.2

The following figure represent nets of some solid. Name the solid.

Exercise 31 | Q 8.3

The following figure represent the nets of some solid. Name the solid

Exercise 31 | Q 8.4

The following figure represent the nets of some solid. Name the solid

Exercise 31 | Q 9

Using Euler’s formula, find the values of a, b, c and d.

Faces a 5 20 6
Vertices 6 b 12 d
Edges 12 9 c 12
Exercise 31 | Q 10.1

Using an isometric dot paper, draw: a cube with each edge 3 cm.

Exercise 31 | Q 10.2

Using an isometric dot paper, draw: a cuboid measuring 5 cm x 4 cm x 3 cm.

Solutions for 31: Recognition of Solids

Exercise 31
Selina solutions for Mathematics [English] Class 6 chapter 31 - Recognition of Solids - Shaalaa.com

Selina solutions for Mathematics [English] Class 6 chapter 31 - Recognition of Solids

Shaalaa.com has the CISCE Mathematics Mathematics [English] Class 6 CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Mathematics [English] Class 6 CISCE 31 (Recognition of Solids) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Mathematics [English] Class 6 chapter 31 Recognition of Solids are Concept of Recognition of Solids, Identification of 3-d Shapes: Cubes, Cuboids, Cylinder, Sphere, Cone, Prism (Triangular and Square), Pyramid (Triangular and Square), Identification and Locating in the Surroundings., Nets for Building 3-d Shapes, Faces, Edges and Vertices, Faces, Edges and Vertices.

Using Selina Mathematics [English] Class 6 solutions Recognition of Solids exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Mathematics [English] Class 6 students prefer Selina Textbook Solutions to score more in exams.

Get the free view of Chapter 31, Recognition of Solids Mathematics [English] Class 6 additional questions for Mathematics Mathematics [English] Class 6 CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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