#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]