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प्रश्न
Find the co-ordinates of the image of S(4,-1) after reflection in the line
y = 5
उत्तर
Co-ordinates of image = (4, 2x5-(-1)) = (4, 11)
APPEARS IN
संबंधित प्रश्न
State the co-ordinates of the following point under reflection in y-axis:
(6, –3)
The point P(a, b) is first reflected in the origin and then reflected in the y-axis to P’. If P’ has co-ordinates (4, 6); evaluate a and b.
The point A(–3, 2) is reflected in the x-axis to the point A’. Point A’ is then reflected in the origin to point A”.
- Write down the co-ordinates of A”.
- Write down a single transformation that maps A onto A”.
Find the co-ordinates of the image of A (-5, 4) after reflection in the line
y = 0
State the co-ordinates of the following point under reflection in x-axis:
(0, 0)
The image of a point P under reflection on the X-axis is (5, – 2). Write down the co-ordinates of P.
Write down the co-ordinates of the image of (5, – 4).
Reflection in x = 0;
Write down the co-ordinates of the image of (5, – 4).
Reflection in y = 2.
(i) Find the reflection of the point (3, 5) on X-axis.
(ii) Find the reflection of the point (- 3, 5) on X-axis.
(iii) Find the reflection of the point (- 3, – 5) on X-axis.
(iv) Find the reflection of the point (3, – 5) on X-axis.
A point P(4, – 1) is reflected to P’ in the line y = 2 followed by the reflection to P” in the line x = -1. Find :
(i) The co-ordinates of P’.
(ii) The co-ordinates of P”.
(iii) The length of PP’.
(iv) The length of P’P”.
