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4MA1/1F Jun 2019, Question 13: Interior and Exterior Angles of Polygons

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 2 marks

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The question, in short

A regular polygon has each exterior angle equal to 24°; work out how many sides it has.

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

Solution · 2 marks

  1. 1The exterior angles of a polygon add up to 360°.
  2. 2Number of sides = 360 ÷ 24 = 15

Answer15

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