Hint: Explain the meaning of symmetry in order to identify symmetric figures in our surrounding.

Question.1. Which of these objects is symmetrical?

(a) (b) (c) (d)

Question.2. Consider the object shown.Which of these could be the line of symmetry of the object?

(a) (b) (c) (d)

Ans.1. (d) Ans.2. (b)

Hint: Identify symmetrical 2-Dimensional shapes which are symmetrical along one line in order to demonstrate an understanding of the same.

Question.3. Which of these figures shows exactly one line of symmetry?

(a) (b) (c) (d)

Question.4. Observe an incomplete figure shown:Which of the following figures completes the given figure to have exactly one line of symmetry?

(a) (b) (c) (d)

Ans.3. (b) Ans.4. (b)

Hint: Draw line(s) of symmetry in order to classify the given shapes as shapes with no symmetry, one line of symmetry, two lines of symmetry or multiple lines of symmetry.

Question.5. Observe the figures below and choose the correct option.

(a) (b) (c) (d)

Question.6. Consider the figure below:How should the figure be changed so that it has exactly two line(s) of symmetry?

(a) Shading all the corners of the figure.
(b) Shading two corners of the first row of the figure.
(c) Shading second row and second column of the figure.
(d) Shading all the boxes in the first and last row of the figure.

Ans.5. (b) Ans.6. (d) Shading all the boxes in the first and last row of the figure.

Hint: Draw the mirror image of the given 2D shapes or objects in order to identify objects with reflection symmetry.

Question.7. Consider the figure shown.Which of these is the mirror image of the figure along the line l?

(a) (b) (c) (d)

Question.8. Consider an incomplete figure having exactly 2 lines of symmetry shown.Which of these will be the reflected mirror image of the complete figure along the vertical line?

(a) (b) (c) (d)

Ans.7. (c) Ans.8. (d)

Hint: Give example(s) in order to discuss the applications of reflection symmetry in real life.

Question.9. If an object is placed at a distance of 12 cm from the mirror, how far behind is the image from the mirror?

(a) 0 cm
(b) 12 cm
(c) 24 cm
(d) 144 cm

Question.10. Consider the figure below.If the length of OB is 6 cm, what is the length of AC?

(a) 3 cm
(b) 6 cm
(c) 12 cm
(d) 36 cm

Ans.9. (b) 12 cm
Ans.10. (c) 12 cm