Mathematics 0580 · IGCSE · Non-right-angled triangles

Non-right-angled triangles — practice question

Triangle $ABC$ is drawn. $AC = 5.9\text{ cm}$ and $AB = 17.8\text{ cm}$. The angle at $C$ measures $84.6^{\circ}$. The diagram is labelled NOT TO SCALE.
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Apply the sine rule to determine angle $ABC$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\sin = \frac{5.9\sin84.6}{17.8}$” …

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