0580/11 Oct/Nov 2025, Question 5: Constructing Triangles
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 2 marks
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The question, in short
Using ruler and compasses only, construct triangle ABC with AB = 8 cm and BC = 6.4 cm, keeping construction arcs, given line AC already drawn.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Set compasses to 8 cm and draw an arc centred at A
- 2Set compasses to 6.4 cm and draw an arc centred at C
- 3B is where the arcs cross; rule AB and CB, leaving the arcs
AnswerAccurate triangle with correct construction arcs
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