0580/13 Oct/Nov 2022, Question 10: Angles at a Point and on a Line
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 1 mark
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The question, in short
Five straight lines meet at a point, creating five equal angles each marked a°. Explain the geometrical reason why a equals 72.
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Solution · 1 mark
- 1Angles round a point add to 360°, so 5a = 360 and a = 72
AnswerAngles round a point add to 360
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