0580/13 Oct/Nov 2025, Question 22: Describing Transformations
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Non-calculator · 3 marks
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The question, in short
Using the grid, identify and fully describe the single transformation that takes triangle A onto triangle B.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Side lengths of B are 3 times those of A: base 9 − 3 = 6 = 3 × (3 − 1)
- 2Each vertex of A × 3 gives B: (1, 1) → (3, 3), (3, 1) → (9, 3), (2, 3) → (6, 9)
- 3Enlargement, centre (0, 0), scale factor 3
AnswerEnlargement, centre (0, 0), scale factor 3
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