Advertisements
Advertisements
प्रश्न
A point P (7,3) is reflected in the x-axis to point P’. The point P’ is further reflected in v-axis to point P” Find :
(i) the coordinates of P’
(ii) the co-ordinates of P”
(iii) the image of P (7, 3) in origin.
Advertisements
उत्तर
(i) Image of point P (7,3), when reflected in x-axis, is P’ whose coordinates will be (7,-3)

(ii) Image of point P’ (7,-3) when reflected in y-axis, is P” whose co-ordinates will be (- 7,-3)
(iii) The image of P (7, 3) in origin is P” whose coordinates are (- 7, – 3).
APPEARS IN
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) | |||
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:

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.
In the following case, construct a point that is symmetric to the given point P with respect to the given line AB.

For the shaded portion given below, draw all the possible lines of symmetry:
Use colour, a thread and a folded paper to draw symmetrical shapes.
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
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?

