Mathematics 0580 · IGCSE · Similarity

Similarity — practice question

Triangles ABC and PQR are mathematically similar. The sides of triangle ABC measure 9 cm, 12 cm and 16 cm. A matching side on triangle PQR is 6 cm long. The diagrams are not drawn to scale.
(a)[2]

Calculate the size of PR.

(b)[2]

Calculate the volume of the larger prism.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{9}{6} = \frac{12}{PR}$” …

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