Shape transformations

the four transformations

translations

• the amount the shape moves by is given as a vector
• x is the horizontal movement
• y is the vertical movement
• if the shape moves left and down, x and y will be negative

rotations

• to describe a rotation, you must give 3 details
• the angle of rotation
• the direction of rotation
• the centre of rotation

reflections

• give the equation of the mirror line

enlargements

• the scale factor= new length/old length
• …