Notes : Transformation III (Form 5 - Chapter 3)

EASY NOTES TO UNDERSTAND THIS TOPIC

1. Translation is a transformation in which all points are moved to a new position through h units parallel to the x - axis and k unit parallel to the y-axis. It is written as translation 
.

(2) Reflection is a transformation in which all the points on a plane are flipped over onto the same plane in the axis of reflection. For example, reflect the object in the y-axis (the line, x =0).

                                                  

(3) Rotation is a transformation in which all the points rotate in the same direction through the same angle about a point. For example, rotate the triangle PQR about O  through 90 degree clockwise.

(4) Enlargement is a transformation in which all the points of an object extend from the centre of enlargement at a constant ratio. For example, enlargement of square ABCD at O with scale factor 2. 

                                                     



Combination of Transformation 


If A and B are two transformations,
AB = Transformation B, followed by transformation A.
BA = Transformation A, followed by transformation B.
A^2 = Transformation A executed twice.

Simple Right!!!....(^_^)