Advertisements
Advertisements
Question
State the co-ordinates of the images of the following point under reflection in the y-axis:
(-1,-3)
Solution
The co-ordinate of the given point under reflection in the y-axis is: (1,-3).
APPEARS IN
RELATED QUESTIONS
State the co-ordinates of the images of the following point under reflection in the x-axis :
(3 , -9)
State the co-ordinates of the images of the following point under reflection in the x-axis:
(-7, 5)
State the co-ordinates of the images of the following point under reflection in the x-axis:
(-4,-8)
State the co-ordinates of the images of the following point under reflection in the y-axis:
(2, 8)
State the co-ordinates of the images of the following point under reflection in the y-axis:
(-5,-6)
The points B and C have the co-ordinates (3, 2) and (0, 3). Find B', the image of B under the reflection in the x-axis and C', the image of C under the reflection in the line BB'.
Perform the following operation and state the single transformation that take place :
Mx . Mo on P (-1,-3)
Name the figure formed by a triangle and its reflection, when:
An isosceles right-angled triangle is reflected in its hypotenuse.
Name the figure formed by a triangle and its reflection, when:
An isosceles triangle is reflected in its unequal side.
Use graph sheet for this question. Take 2 cm = 1 unit along the axes.
- Plot A(0, 3), B(2, 1) and C(4, –1).
- Reflect point B and C in y-axis and name their images as B' and C' respectively. Plot and write coordinates of the points B' and C'.
- Reflect point A in the line BB' and name its images as A'.
- Plot and write coordinates of point A'.
- Join the points ABA'B' and give the geometrical name of the closed figure so formed.
