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4MA1/2FR Jun 2024, Question 10: Constructing Triangles

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 2 marks

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The question, in short

Using ruler and compasses only, construct a square with 7 cm sides, showing all construction lines; two sides are already drawn.

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

Solution · 2 marks

  1. 1Open the compasses to 7 cm using a ruler
  2. 2Put the point on the free end of one drawn side and draw an arc inside the square
  3. 3Do the same from the free end of the other drawn side; the arcs cross at the fourth corner
  4. 4Join the crossing point to both free ends, leaving the arcs showing

AnswerAn arc of radius 7 cm from the free end of each drawn side, crossing at the fourth vertex, joined to complete the 7 cm square

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