Key learning points

1. Two shapes are not similar if there is a pair of lengths with a different multiplicative relationship.
2. Similar shapes are not always easy to spot visually.
3. A ratio table can help you find the scalar and functional multipliers in similar shapes.
4. The angle sizes do not change.

Keywords

• Object - The object is the starting figure before a transformation has been applied.

• Image - The image is the resulting figure after a transformation has been applied.

• Similar - Two shapes are similar if the only difference between them is their size. Their side lengths are in the same proportions.

Common misconception