Key learning points

1. Each length in the shape is multiplied by the scale factor
2. Each vertex in the object is a given distance from the centre of enlargement
3. This distance is also multiplied by the scale factor to give the distance of the image's vertex

Keywords

• Centre of enlargement - The centre of enlargement is the point from which a shape is enlarged.

• Scale factor - A scale factor is the multiplier between similar shapes that describes how large one shape is compared to the other.

Common misconception