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Enlargement with Negative and Fractional Scale Factors

Enlargement with Negative and Fractional Scale Factors
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2018-04-15 19:28
TransformationGeometric Construction
In collections GCSE Higher Ch8 Transformations & Constructions
This example demonstrates how to perform enlargement with negative and fractional scale factors using GeoGebra. Key mathematical concepts include ratios, similar transformations, and geometric construction. The commands used include Polygon and Dilate. Suitable for middle school and above students to learn about similar transformations and ratio relationships.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Dilate(A, SF, Centre) → A'
  3. Dilate(B, SF, Centre) → B'
  4. Dilate(C, SF, Centre) → C'
  5. Polygon(A', B', C') → poly1', c', a', b'