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0580/12 Oct/Nov 2021, Question 7: Constructing Triangles

Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks

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The question, in short

Using ruler and compasses only, construct triangle ABC with AB = 7 cm and BC = 5.6 cm, keeping construction arcs and using the given line AC.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Solution · 2 marks

  1. 1Compasses set to 7 cm, centre A: draw an arc
  2. 2Compasses set to 5.6 cm, centre C: draw an arc to cross the first
  3. 3Join A and C to the crossing point B

AnswerAccurate triangle with a correct pair of arcs

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Also searched as: 0580/12/O/N/21 · 0580_w21_qp_12 · 0580 w21 12 · question 7.
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