Enlargements (AQA GCSE Maths): Flashcards

Transformation that changes size but keeps angles the same

Scale factor and centre of enlargement

How much each length is multiplied by

$\frac{\text{Enlarged length}}{\text{Original length}}$

Fixed point from which enlargement takes place

They remain unchanged

They are multiplied by the scale factor

Image becomes larger than original

Image becomes smaller than original

Same angles, corresponding sides in same ratio