Mathematics 0580 · IGCSE · Right-angled triangles

Right-angled triangles — practice question

A triangle $ABC$ is drawn, with angle $C$ equal to $65^{\circ}$. The perpendicular distance from $B$ to $AC$ is $12.8\text{ cm}$.
(main)[3]

Calculate the length of $BC$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct application of $\sin 65^\circ = \frac{12.8}{BC}$” …

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