0580/21 May/Jun 2024, Question 17: Area of a Triangle Using Sine
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 2 marks
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The question, in short
Using triangle ABC with AB = 6.7 cm, BC = 5.9 cm and angle ABC = 81°, calculate its area.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Area = 1/2 × 6.7 × 5.9 × sin 81°
- 2= 19.52… ≈ 19.5 cm²
Answer19.5 or 19.52…
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