(a)[1]
Explain why $\triangle ABC$ is similar to $\triangle PQR$.
(b)[2]
Find the value of $AC$.
Mathematics 0580 · IGCSE · Similarity
Similarity — practice question
Two triangles are illustrated. In triangle $ABC$, the angles measure $65^\circ$, $75^\circ$, and $40^\circ$, and the side $AB = 6$ cm. In triangle $PQR$, the matching angles are $65^\circ$, $75^\circ$, and $40^\circ$, with base $PR = 27$ cm and side $PQ = 18$ cm. NOT TO SCALE.
Worked solution & mark scheme
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