Transformations and Constructions
Overview
– 3D solids
– Reflection and rotation
– Translation and enlargement (To include computer generated imagery and vectors)
– Combinations of transformations
– Bearings and scale drawings
– Constructions
– Loci
Example Key Words
Transformation
A change in the position, size or shape of a figure
Bearing
Measuring the angle from one postion to another. Written as a 3 digit number, measured from the north line, in a clockwise direction.
Scale Drawing
A drawing that shows a real object with accurate sizes in proportion to the reduced or enlarged by a certain amount (called the scale)
Construction
Turning a shape around a fixed point.
Loci
This changes the size of the shape – it can make it smaller.
Scale Factor
A drawing which has been reduced or enlarged from its original size, to a specified scale