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प्रश्न
Mark points A (– 6, 5) and B (– 4, – 6) on a graph paper. Find A’, the image of A in origin and B’, the image of B in origin. Mark A’ and B’ also on the same graph paper. Join AB and A’ B’. Is AB = A’ B’?
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उत्तर
The given points are A (– 6, 5) and B (– 4, – 6). The images of A and B in the origin are A’ and B’ where co-ordinates are A’ (6, – 5) and B’ (4, 6) which have been plotted on the same graph.

AB and A’ B’ are joined we see that AB = A’ B’.
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संबंधित प्रश्न
Complete the following table:
| Point | Reflection in | ||
| x-axis | y-axis | origin | |
| (i) (8, 2) | |||
| (ii) (5, 6) | |||
| (iii) (4, −5) | |||
| (iv) (6, −2) | |||
| (v) (−3, 7) | |||
| (vi) (−4, 5) | |||
| (vii) (−2, −7) | |||
| (viii) (−6, −3) | |||
| (ix) (4, 0) | |||
| (x) (−7, 0) | |||
| (xi) (0, −6) | |||
| (xii) (0, 7) | |||
| (xiii) (0, 0) | |||
In the given figure, find the image of the point P in the line AB:

Mark points A (4, 5) and B (− 5, 4) on a graph paper. Find A’, the image of A in x-axis and B’, the image of B in x-axis.
Mark A’ and B’ also on the same graph paper. Join AB and A’ B’ and find if AB = A’ B’?
Draw the line(s) of symmetry for the figure drawn below:

Find the alphabets in the box which have Reflection symmetry
| A | M | P | E |
| D | I | K | O |
| N | X | S | H |
| U | V | W | Z |
Write the letters of the word ‘MATHEMATICS’ which have no line of symmetry.
Find the number of lines of symmetry in the following shapes. How will you check your answers?

Find the number of lines of symmetry in the following shapes. How will you check your answers?

Copy the following drawing on squared paper. Complete such that the resulting figure has two dotted lines as two lines of symmetry.
How did you go about completing the picture?

Copy the following drawing on squared paper. Complete such that the resulting figure has two dotted lines as two lines of symmetry.
How did you go about completing the picture?

