4MA1/2F Jan 2020, Question 15: Interior and Exterior Angles of Polygons
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks
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The question, in short
A regular polygon has n sides and each interior angle is 140°; work out the value of n.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1180 − 140 = 40
- 2360 / 40 = 9
Answer9
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