GCSE Maths OCR J560

9.04: Similarity

#9.04a

Identify similar triangles.

Prove that two triangles are similar.

#9.04b

Enlarge a simple shape from a given centre using a whole number scale factor, and identify the scale factor of an enlargement.

Identify the centre and scale factor (including fractional scale factors) of an enlargement of a simple shape, and perform such an enlargement on a simple shape.

Perform and recognise enlargements with negative scale factors.

#9.04c

Compare lengths, areas and volumes using ratio notation and scale factors.

Apply similarity to calculate unknown lengths in similar figures.

see also Direct proportion, 5.02a

**Understand the relationship between lengths, areas and volumes of similar shapes.

see also Direct proportion, 5.02a**

9.03
Plane vector geometry
10.01
Units and measurement