NCERT Solutions For Class 6 Maths Chapter 13 Symmetry Ex 13.1

Exercise 13.1

Ex 13.1 Class 6 Maths Question 1.

List any four symmetrical objects from your home or school.

Solution:

The following objects can be symmetrical:

(a) Notebook

(b) Dinning table

(c) A blackboard

(d) Wall clock

(e) A pair of scissors

Ex 13.1 Class 6 Maths Question 2.

For the given figure, which one is the mirror line, l1 or l2?

Solution:

In the following figure, l2 is the mirror line.

Ex 13.1 Class 6 Maths Question 3.

Identify the shapes given below. Check whether they are symmetrical or not. Draw the line of symmetry as well.

Solution:

(a) The given symmetric figure is a lock in which vertical line ‘l’ is the line of symmetry.

(b) The given figure is a symmetrical bucket in which vertical line ‘l’ is the line of symmetry.

(c) The given figure is not symmetrical.

(d) The given figure is a symmetric telephone in which vertical line l is called the line of symmetry.

(e) The given figure is symmetrical. Horizontal line l is called the line of symmetry.

(f) The given figure is symmetrical. Vertical line l is called its line of symmetry.

Ex 13.1 Class 6 Maths Question 4.

Copy the following on a squared paper. A square paper is what you would have used in your arithmetic notebook is earlier classes. Then complete them such that the dotted line is the line of symmetry.

Solution:

Ex 13.1 Class 6 Maths Question 5.

In the figure, l is the line of symmetry. Complete the diagram to make it symmetric.

Solution:

The completed figure is as follows:

Ex 13.1 Class 6 Maths Question 6.

In the figure, l is the line of symmetry. Draw the image of the triangle and complete the diagram so that it becomes symmetric.

Solution:

The symmetric figure is given as follows.

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