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प्रश्न
Complete the figure by taking l as the line of symmetry of the whole figure.
उत्तर
As we know that, a line of symmetry divides a figure into two parts, such that when the figure is folded about the line, the two parts of the figure coincide.
∴ The complete figure is as shown below
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संबंधित प्रश्न
Use a graph paper for this question taking 1 cm = 1 unit along both the x and y-axis :
1) Plot the points A(0, 5), B(2, 5), C(5, 2), D(5, -2), E(2, -5) and F(0, -5).
2) Reflect the points B, C, D and E on the y-axis and name them respectively as B’, C’, D’ and E’.
3) Write the coordinates of B’, C’, D’ and E’.
4) Name the figure formed by B C D E E’ D’ C’ B’.
5) Name a line of symmetry for the figure formed.
Construct a square of side 4.8 cm and draw all its lines of symmetry .
Match the following shapes with their number of lines of symmetry
| Column A | Column B | ||
| i) | Square | a) | No line of symmetry |
| ii) | Parallelogram | b) | One line of symmetry |
| iii) | Isosceles triangle | c) | Two lines of symmetry |
| iv) | Rectangle | d) | Four lines of symmetry |
Draw the lines of symmetry of the following.
Think of all 2, 3 and 4 digit numbers which look the same on half a turn.
Example
- 2 digit numbers 11, ______, ______
- 3 digit numbers 101, 111, ______, ______, ______, ______, ______, ______
- 4 digit numbers 1001, 1111, ______, ______, ______, ______, ______
The image of a point lying on a line l with respect to the line of symmetry l lies on ______.
The number of lines of symmetry in a regular hexagon is ______.
On a squared paper, sketch the following:
A quadrilateral with both horizontal and vertical lines of symmetry.
Consider the letters of English alphabets, A to Z. List among them the letters which have horizontal lines of symmetry (like B).
Find the number of lines of symmetry in the following shapes. How will you check your answers?
