0580/13 May/Jun 2024, Question 11: Angles in a Triangle
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
An isosceles triangle has a top vertex angle x° and a base angle of 36°. Find x.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1The base angles of the isosceles triangle are equal: 36° and 36°
- 2x = 180 − 36 − 36 = 108
Answer108
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