0580/12 Feb/Mar 2025, Question 25: Similar Triangles
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 1 mark
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The question, in short
Using the similar triangles ABC and PQR with BC = 7 cm, AC = 5 cm and PR = 10 cm, show that QR = 14 cm.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 1 mark
- 1Scale factor = PR/AC = 10/5 = 2
- 2QR = 2 × BC = 2 × 7 = 14 cm
Answer10/5 × 7 [= 14]
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