0580/31 May/Jun 2025, Question 24: Similar Triangles
Cambridge IGCSE Mathematics 0580 · Paper 31 (Core) · Calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Use the similarity of triangles ABC and UVW, with AC = 12 cm, UV = 14 cm and UW = 21 cm, to calculate the length AB.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Scale factor UW/AC = 21/12 = 1.75
- 2AB = UV ÷ 1.75
- 3AB = 14 ÷ 1.75 = 8 cm
Answer8
Stuck on a step? Read the free lesson: Similar Triangles
Practise more similar triangles questions
Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on similar triangles
Also searched as: 0580/31/M/J/25 · 0580_s25_qp_31 · 0580 s25 31 · question 24.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.