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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) | |||
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उत्तर
| Point | Reflection in | ||
| x-axis | y-axis | origin | |
| (i) (8, 2) | (8, − 2) | (− 8, 2) | (− 8, − 2) |
| (ii) (5, 6) | (5, − 6) | (− 5, 6) | (− 5, − 6) |
| (iii) (4, − 5) | (4, 5) | (− 4, − 5) | (− 4, 5) |
| (iv) (6, − 2) | (6, 2) | (− 6, − 2) | (− 6, 2) |
| (v) (− 3, 7) | (− 3, − 7) | (3, 7) | (3, − 7) |
| (vi) (− 4, 5) | (− 4, − 5) | (4, 5) | (4, − 5) |
| (vii) (− 2, −7 ) | (− 2, 7) | (2, − 7) | (2, 7) |
| (viii) (− 6, − 3) | (− 6, 3) | (6, − 3) | (6, 3) |
| (ix) (4, 0) | (4, 0) | (− 4, 0) | (− 4, 0) |
| (x) (− 7, 0) | (− 7, 0) | (7, 0) | (7, 0) |
| (xi) (0, − 6) | (0, 6) | (0, − 6) | (0, 6) |
| (xii) (0, 7) | (0, − 8) | (0, − 8) | (0, − 8) |
| (xiii) (0, 0) | (0, 0) | (0, 0) | (0, 0) |
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संबंधित प्रश्न
A point A (- 5, 4) is reflected in y-axis to point B. The point B is further reflected in origin to point C. find :
(i) the co-ordinates of B
(ii) the co-ordinates of C
(iii) the image of A (- 5, 4) in x-axis.
Each of the points A (0, 7), B (8, 0), C (0, − 5), D (− 7, 0) and E (0, 0) are reflected in origin to points A’, B’, C’, D’ and E’ respectively. Write the co-ordinates of each of the image points A’, B’, C’, D’ and E’.
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’?
Mark two points A and B 5.5 cm apart. Draw a line PQ so that A and B are symmetric with respect to the line PQ. Give a special name to line PQ.
Draw all the possible lines of symmetry for the given figure below:

A shape has reflection symmetry if it has a line of symmetry
Draw the following:
A figure which has both reflection and rotational symmetry
Does your windmill look the same on `1/4` of the turn?
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?

