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प्रश्न
The three digit number 101 has rotational and reflection symmetry. Give five more examples of three digit numbers which have both rotational and reflection symmetry
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उत्तर
The digits 0, 1, 8 have rotational and reflection symmetry.
∴ The three digit numbers 181, 111, 808, 818, 888 have both rotational and reflection symmetry.
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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’.
Examine the following figure carefully, draw line(s) of symmetry in whichever figure possible:
Draw the line(s) of symmetry for the figure drawn below:
Draw the line(s) of symmetry for the figure drawn below:
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.
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 |
If a line segment of length 5 cm is reflected in a line of symmetry (mirror), then its reflection (image) is a ______ of length _______.
Find the number of lines of symmetry in the following shapes. How will you check your answers?
Mirror reflection leads to symmetry always.
