Mathematics 0580 · IGCSE · Similarity

Similarity — practice question

Triangle $ABC$ and triangle $PQR$ are similar. In triangle $ABC$, $AB = 8\text{ cm}$ and $BC = 12\text{ cm}$. In triangle $PQR$, $PQ = 14\text{ cm}$ and $QR = x\text{ cm}$. The diagram is not drawn to scale.
(main)[2]

Calculate the value of $x$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: $x=21$

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