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O-LevelMathematicsGeometry4024/12 · Oct/Nov 2024 · Q152 Marks

Each interior angle of a regular polygon is 160°. Find the number of sides of the polygon.

Find the number of sides of the polygon.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.

[2] 18
[2] M1 for 180(n-2)/n = 160 oe or 360/(180-160) 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 2024 Paper 1 Variant 2, question 15.

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