Similarity and scale factors
What Similarity and scale factors means in Mathematics GCSE, as defined for AQA.
Definitions of Similarity and scale factors
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Reference: AQA
Similar shapes have equal corresponding angles and corresponding lengths in a fixed ratio, and if the length scale factor is k then every length is multiplied by k.
Similar figures have equal corresponding angles and corresponding sides in a constant ratio, the scale factor.
Topics that use Similarity and scale factors
- Ratio, proportion and rates of change (AQA GCSE)
Related terms
- Algebraic rearrangement of compound-unit formulae
- Checking the reasonableness
- Chord versus tangent
- Comparing quantities of the same kind
- compound interest
- Compound Measure
- compound unit
- constant of proportionality
Using Similarity and scale factors in the exam
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