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Class 6th Maths || Menu
  • Important
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  • Knowing your Numbers
    • Ex 1.1
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  • Whole Numbers
    • Ex 2.1
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  • Playing with Numbers
    • Ex 3.1
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    • Ex 9.1
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    • Ex 13.1
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Class 6 Ex.13.3 Maths NCERT Solutions

NCERT Solutions For Class 6 Maths Symmetry Exercise 13.3

Ex 13.3 Class 6 Maths Question 1.
Find the number of lines of symmetry in each of the following shapes. How will you check your answer?

Solution:

(a) The given figure has 4 lines of symmetry.

(b) The given figure has only one line of symmetry.

(c) The given figure has two line of symmetry.

(d) The given figure has two lines of symmetry.

(e) This figure has only one line of symmetry.

(f) The given figure has two lines of symmetry.

Ex 13.3 Class 6 Maths Question 2.
Copy the following drawing on squared paper. Complete each one of them such that the resulting figure has two dotted lines as two lines of symmetry.

How did you go about completing the picture?

Solutions:

We can complete these figures by drawing similar parts as shown in these figures. First about the vertical line of symmetry and then about the horizontal line of symmetry or first about the horizontal line of symmetry and then about the vertical line of symmetry.

Completed figures are as follows

Ex 13.3 Class 6 Maths Question 3.
In each figure alongside, a letter of the alphabet is shown along with a vertical line. Take the mirror image of the letter in the given line. Find which letters look the same after reflection (i.e. which letters look the same in the image) and which do not. Can you guess why?

Try for O E M N P H L T S V X

Solutions:

The mirror images of these figures are as follows

The letters having vertical line of symmetry will have same mirror images. These letters are O, M, H, T, V, X and thus these letters will look the same.

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