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Example 6: Mention the letters of English alphabets that have both horizontal and vertical lines
of symmetry.
Solution: The letters of English alphabets that have both horizontal and vertical lines of symmetry
are as follows:
Example 7: Complete the figure given below so that ‘l’ is the line of symmetry of the completed figure.
l
Solution: The above figure can be completed, by drawing the points symmetric to different
corners(points) along the symmetrical line ‘l’, which is shown below:
l
Think and Answer
A rhombus and a square have the same sides, but there are only two lines of symmetry in a
rhombus, whereas there are four lines of symmetry in a square. Why?
www
MAths connect
Symmetry is all around us in daily life, from the design of buildings to the shapes of everyday
objects. Many traffic signs also display symmetry, as symmetrical signs are easier to recognise
and understand quickly, ensuring road safety. Below are some examples of traffic signs. Take a chart of traffic
signs and explore their symmetry!
1. Do you know the meaning of each sign? Discuss with your classmates.
2. Classify the traffic signs into symmetrical and non-symmetrical categories.
3. For the symmetrical ones, draw the lines of symmetry.
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