Advertisements
Advertisements
Question
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
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
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’.
In the following case, construct a point that is symmetric to the given point P with respect to the given line AB.
The reflected image of the letter ‘q’ is ___________
The reflection of the name RANI is INAЯ
Draw the following:
A figure which has reflection symmetry but no rotational symmetry
Look at the figure in the white box. On which of the dotted lines will you keep the mirror so that you get shape (b)? Also, tell which part of the picture will be hidden when we keep the mirror on the dotted line.
The distance of the image of a point (or an object) from the line of symmetry (mirror) is ______ as that of the point (object) from the line (mirror).
Write the letters of the word ‘MATHEMATICS’ which have no line of symmetry.
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?
In each figure alongside, a letter of the alphabet is shown along with a vertical line. Take the mirror image of the letter in the given line. Find which letters look the same after reflection (i.e. which letters look the same in the image) and which do not. Can you guess why?
 |
 |
Try for O E M N P H L T S V X
