Mathematics 0580 · IGCSE · Similarity

Similarity — practice question

Triangle $ABC$ is similar to triangle $PQR$ in the mathematical sense. Diagram labels: For triangle $ABC$, $AB = 8\text{ cm}$ and $BC = 6\text{ cm}$. For triangle $PQR$, $PQ = 6\text{ cm}$. Diagram marked NOT TO SCALE.
(a)[2]

Calculate the value of $QR$.

(b)[2]

Calculate the volume of the smaller prism.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Proportion: $\frac{8}{6}=\frac{6}{QR}$.” …

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