Symmetry (Exercise 13.1)

  • by

Symmetry


Chapter 13


Exercise 13.1


EX 13.1 QUESTION 1.


 List any four symmetrical objects from your home or school.

Solution:

The four symmetrical objects are

  • Notebook
  • Blackboard
  • Tabletop
  • Inkpot

EX 13.1 QUESTION 2.



EX 13.1 QUESTION 3.


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

Solution:

(a)Symmetric

(b) Symmetric

(c) Not symmetric

(d) Symmetric

(e) Symmetric

(f) Symmetric


EX 13.1 QUESTION 4.


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

Solution:


EX 13.1 QUESTION 5.


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


EX 13.1 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.