4MA1/2F Jun 2025, Question 21: Constructing Triangles
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Using only ruler and compasses, construct the perpendicular bisector of line segment AB, showing all construction lines.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Open the compasses to more than half of AB
- 2Draw arcs above and below AB from A
- 3Keep the same radius and draw arcs from B
- 4Join the two points where the arcs cross
AnswerA straight line through the two crossing points of equal arcs drawn from A and B, cutting AB at right angles at its midpoint, with both pairs of arcs shown
Stuck on a step? Read the free lesson: Constructing Triangles
Practise more constructing triangles questions
Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on constructing triangles
Also searched as: 4MA1 2F June 2025 · 4MA1/2F · 4ma1 jun25 2f · question 21.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.