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O-LevelMathematicsGeometry4024/11 · Oct/Nov 2025 · Q44 Marks

The diagram shows five straight lines. [Figure 4.1] The diagram shows three horizontal parallel lines and two sloping parallel lines.

  1. (a)Find the value of p. Give a geometrical reason to explain your answer.[2]
  2. (b)Find the value of q. Give a geometrical reason to explain your answer.[2]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2025). The mark or mark type is shown in brackets.

  1. [2] (a) 68, Co-interior angles sum to 180
  2. [B1] for each part
  3. [2] (b) 68, Corresponding angles are equal
  4. [B1] for each part
  5. [FT] their 68

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About this question

Topic
Geometry, O-Level Mathematics (syllabus 4024). Structured question, 4 marks.
Source
O-Level Mathematics, Oct/Nov 2025 Paper 1 Variant 1, question 4.

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