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0580/31 Oct/Nov 2025, Question 1: Measuring and Drawing Lines and Angles

Cambridge IGCSE Mathematics 0580 · Paper 31 (Core) · Calculator · 2 marks

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The question, in short

Using the given line segment AB, determine its length in centimetres and construct a line at right angles to it.

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

Part (a) · 1 mark

Find how many centimetres long the segment AB is.

  1. 1Place the ruler's 0 at A and read the scale at B
  2. 2AB = 4.7 cm

Answer4.7 (accept 4.5 to 4.9)

Part (b) · 1 mark

Construct a line that meets AB at a right angle.

  1. 1Use a protractor or set square to make a 90° angle with AB
  2. 2Draw a ruled line through a point on AB at 90° to AB

AnswerPerpendicular line drawn

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Also searched as: 0580/31/O/N/25 · 0580_w25_qp_31 · 0580 w25 31 · question 1.
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