(a)[2]
Find the value of $BC$.
(b)[1]
Find $\dfrac{\text{area of triangle } APQ}{\text{area of quadrilateral } PBCQ}$.
Mathematics 4024 · O Level · Similarity
Similarity — practice question
From the diagram, triangles $APQ$ and $ABC$ are similar. Since $BC$ is parallel to $PQ$, and $AP = 4$ cm, $PB = 2$ cm and $PQ = 1.8$ cm.