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O-LevelMathematicsGeometry4024/12 · May/June 2022 · Q113 Marks

[Figure of quadrilateral PQRS]

  1. (a)Use a straight edge and compasses only to construct the bisector of angle PSR.[2]
  2. (b)Point X lies inside quadrilateral PQRS and is closer to PS than to RS. Shade the region in which X must lie.[1]

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Mark scheme

Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.

  1. [2] (a) Acceptable bisector of ∠PSR with correct arcs B1 for acceptable bisector with no/incorrect arcs or for short bisector with arcs
  2. [1] (b) Correct region shaded. FT their (a) dependent on attempt at angle bisector

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About this question

Topic
Geometry, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, May/June 2022 Paper 1 Variant 2, question 11.

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