Advertisements
Advertisements
प्रश्न
The point P (3, – 8) is reflected in origin to point Q. The Point Q is further reflected in the x-axis to point R. Find :
(i) the co-ordinates of Q
(ii) the co-ordinates of R
(iii) the image of P (3, – 8) in the y-axis.
Advertisements
उत्तर
(i) The image of the given point P (3, – 8) when reflected in origin is Q whose co-ordinates will be (- 3, 8).

(ii) The image of Q (- 3, 8) when reflected in x-axis is R whose co-ordinates will be (-3,-8)
(iii) Tlie image of P (3, 8) in y-axis is R whose co-ordinates are (- 3, – 8).
APPEARS IN
संबंधित प्रश्न
Each of the points A (3, 0), B (7, 0), C (- 8, 0), D (- 7, 0) and E (0, 0) is reflected in x-axis 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:

Use colour, a thread and a folded paper to draw symmetrical shapes.
Draw the following:
A figure which has both reflection and rotational symmetry
Does it look the same on half a turn? Discuss.
Write all the capital letters of the English alphabets which have more than one lines of symmetry.
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?

