Formulae: Unit 8 0.0 / 5 ? MathematicsShape transformationsGCSEEdexcel Created by: annanolanCreated on: 28-12-16 16:38 What three things do you need to describe a rotation? direction of rotation, angle of turn, the centre of rotation 1 of 7 What is an enlargement? A transformation where all the side lengths of a shape are multiplied by the same scale factor 2 of 7 What two things do you need to describe an enlargement? centre of enlargement, scale factor 3 of 7 What is the area enlarged by when a shape is enlarged by k? k^2 4 of 7 What does a negative scale factor do to the image? It takes it to the opposite side of the the centre of enlargement 5 of 7 How do you describe a translation? Using a column vector 6 of 7 How do you construct a triangle? Using a ruler and compass, drawing arcs 7 of 7

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