Lemmara logoLemmaraWorked solution

4MA1/2HR Jun 2022, Question 12: Similar Triangles

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 3 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Use similar triangles formed by two crossing lines and parallel segments AB and DE to find x from 1.2, 2x, 2x + 9 and 6 cm.

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

Solution · 3 marks

  1. 16 ÷ 1.2 = 5
  2. 25 × 2x = 2x + 9
  3. 310x = 2x + 9
  4. 48x = 9
  5. 5x = 9/8

Answer9/8

Stuck on a step? Read the free lesson: Similar Triangles

Practise more similar triangles questions

Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on similar triangles

Also searched as: 4MA1 2HR June 2022 · 4MA1/2HR · 4ma1 jun22 2hr · question 12.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.