0580/22 Feb/Mar 2024, Question 20: Area of a Triangle Using Sine
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 2 marks
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The question, in short
Using triangle ABC with sides AB = 4.9 cm, BC = 5.6 cm and included angle ABC = 23°, calculate the area of the triangle.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Area = 1/2 × 4.9 × 5.6 × sin 23°
- 2= 5.360… ≈ 5.36 cm²
Answer5.36 or 5.360 to 5.361
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