#### Chapters

Chapter 2: Fractions and Decimals

Chapter 3: Data Handling

Chapter 4: Simple Equations

Chapter 5: Lines and Angles

Chapter 6: The Triangle and its Properties

Chapter 7: Congruence of Triangles

Chapter 8: Comparing Quantities

Chapter 9: Rational Numbers

Chapter 10: Practical Geometry

Chapter 11: Perimeter and Area

Chapter 12: Algebraic Expressions

Chapter 13: Exponents and Powers

Chapter 14: Symmetry

Chapter 15: Visualising Solid Shapes

#### NCERT Mathematics Class 7

## Chapter 14: Symmetry

#### Chapter 14: Symmetry Exercise 14.10 solutions [Pages 268 - 270]

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Copy the figure with punched holes and find the axes of symmetry for the following

Given the line(s) of symmetry, find the other hole(s):

Given the line(s) of symmetry, find the other hole(s):

Given the line(s) of symmetry, find the other hole(s):

Given the line(s) of symmetry, find the other hole(s):

Given the line(s) of symmetry, find the other hole(s):

In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given figure performing reflection in the dotted (mirror) line. (You might perhaps place a mirror along the dotted line and look into the mirror for the image). Are you able to recall the name of the figure you complete?

In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given figure performing reflection in the dotted (mirror) line. (You might perhaps place a mirror along the dotted line and look into the mirror for the image). Are you able to recall the name of the figure you complete?

In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given figure performing reflection in the dotted (mirror) line. (You might perhaps place a mirror along the dotted line and look into the mirror for the image). Are you able to recall the name of the figure you complete?

The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry

Identify multiple lines of symmetry, if any, in the given figure

The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry

Identify multiple lines of symmetry, if any, in the given figure

The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry

Identify multiple lines of symmetry, if any, in the given figure

Identify multiple lines of symmetry, if any, in the given figure

Identify multiple lines of symmetry, if any, in the given figure

Identify multiple lines of symmetry, if any, in the given figure

Identify multiple lines of symmetry, if any, in the given figure

Identify multiple lines of symmetry, if any, in the given figure

Copy the figure given here

Take any one diagonal as a line of symmetry and shade a few more squares to make the figure symmetric about a diagonal. Is there more than one way to do that? Will the figure be symmetric about both the diagonals?

Copy the diagram and complete the given shape to be symmetric about the mirror line(s):

Copy the diagram and complete the given shape to be symmetric about the mirror line(s):

Copy the diagram and complete the given shape to be symmetric about the mirror line(s):

State the number of lines of symmetry for An equilateral triangle figure

State the number of lines of symmetry for An isosceles triangle figure

State the number of lines of symmetry for A scalene triangle figure

State the number of lines of symmetry for A square figure

State the number of lines of symmetry for A rectangle figure

State the number of lines of symmetry for A rhombus figure

State the number of lines of symmetry for A parallelogram figure

State the number of lines of symmetry for A quadrilateral figure

State the number of lines of symmetry for A regular hexagon figure

State the number of lines of symmetry for A circle figure

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about a vertical mirror

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about a horizontal mirror

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about both horizontal and vertical mirrors

Give three examples of shapes with no line of symmetry.

What other name can you give to the line of symmetry of an isosceles triangle?

What other name can you give to the line of symmetry of a circle?

#### Chapter 14: Symmetry Exercise 14.20 solutions [Page 274]

The following figure have rotational symmetry of order more than 1:

The following figure have rotational symmetry of order more than 1:

The following figure have rotational symmetry of order more than 1:

The following figure have rotational symmetry of order more than 1:

The following figure have rotational symmetry of order more than 1:

The following figure have rotational symmetry of order more than 1:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for each figure:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for given figure:

Give the order of rotational symmetry for given figure:

#### Chapter 14: Symmetry Exercise 14.30 solutions [Page 275]

Name any two figures that have both line symmetry and rotational symmetry.

Draw, wherever possible, a rough sketch of a triangle with both line and rotational symmetries of order more than 1.

Draw, wherever possible, a rough sketch of a quadrilateral with a rotational symmetry of order more than 1 but not a line symmetry.

Draw, wherever possible, a rough sketch of a triangle with only line symmetry and no rotational symmetry of order more than 1.

Draw, wherever possible, a rough sketch of a quadrilateral with line symmetry but not a rotational symmetry of order more than 1

If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

Fill in the blanks:

Shape |
Centre of Rotation |
Order of Rotation |
Angle of Rotation |

Square | - | - | - |

Rectangle | - | - | - |

Rhombus | - | - | - |

Equilateral Triangle | - | - | - |

Regular Hexagon | - | - | - |

Circle | - | - | - |

Semi-circle | - | - | - |

## Chapter 14: Symmetry

#### NCERT Mathematics Class 7

#### Textbook solutions for Class 7

## NCERT solutions for Class 7 Mathematics chapter 14 - Symmetry

NCERT solutions for Class 7 Maths chapter 14 (Symmetry) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Mathematics for Class 7 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 7 Mathematics chapter 14 Symmetry are Line Symmetry and Rotational Symmetry, Concept of Rotational Symmetry, Lines of Symmetry for Regular Polygons, Introduction of Symmetry.

Using NCERT Class 7 solutions Symmetry exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 7 prefer NCERT Textbook Solutions to score more in exam.

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