4024/22 May/Jun 2025, Question 8: Interior and Exterior Angles of Polygons
Cambridge O Level Mathematics 4024 · Paper 22 (Calculator) · Calculator · 2 marks
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The question, in short
Work out the size of one interior angle of a regular octagon.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1Exterior angle = 360 ÷ 8 = 45°
- 2Interior angle = 180 − 45 = 135°
Answer135
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