4MA1/1F Jan 2023, Question 19: Interior and Exterior Angles of Polygons
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks
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The question, in short
A pentagon has angles x°, 119°, 67°, 135° and a right angle. Work out the value of x.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 13 × 180 = 540
- 290 + 135 + 67 + 119 = 411
- 3540 − 411 = 129
Answer129
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