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O-LevelMathematicsGeometry4024/11 · Oct/Nov 2016 · Q72 Marks

Each interior angle of a regular polygon is 171°. Find the number of sides of the polygon.

  1. Each interior angle of a regular polygon is 171°. Find the number of sides of the polygon.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2016). The mark or mark type is shown in brackets.

  1. [2*] 40
  2. M1 for 360/(180-171) ; or 171n = 180(n – 2) oe

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About this question

Topic
Geometry, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, Oct/Nov 2016 Paper 1 Variant 1, question 7.

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