Mathematics 0580 · IGCSE · Right-angled triangles

Right-angled triangles — practice question

The diagram illustrates two right-angled triangles, $ABD$ and $BCD$. $AD = 5$ m, $DC = 14$ m and angle $BAD = 53^{\circ}$. NOT TO SCALE.
(main)[4]

Calculate the value of $BC$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method used: $(5 \times \tan 53)^{2} + 14^{2}$” …

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