Maths Interactives
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Unit 1
· Topic 3
Topic 3: Similarity and scale
Similar figures and scale factors
8 hours
Understand the conditions for similarity of two-dimensional figures, including similar triangles.
Use the scale factor for two similar figures to solve linear scaling problems.
Determine measurements from scale drawings (e.g. maps and building plans) to solve problems.
Determine a scale factor and use it to solve scaling problems, e.g. calculating lengths and areas of similar figures; and calculating surface areas, volumes and capacities of similar solids.