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0580/11 May/Jun 2026, Question 4: Parts of a Circle

Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 2 marks

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The question, in short

Name the line AB joining two points on a circle with centre O, and name a quadrilateral with four equal sides, no right angles and equal opposite angles.

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

Part (a) · 1 mark

Give the mathematical name for the straight line AB joining points A and B on the circle.

  1. 1AB joins two points on the circle and does not pass through the centre
  2. 2So AB is a chord

Answerchord

Part (b) · 1 mark

Give the mathematical name of the quadrilateral with four equal sides, no right angles and equal opposite angles.

  1. 1Four equal sides and equal opposite angles, but no right angles
  2. 2So it is a rhombus, not a square

Answerrhombus

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Also searched as: 0580/11/M/J/26 · 0580_s26_qp_11 · 0580 s26 11 · question 4.
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