Mathematics 4024 · O Level · Similarity

Similarity — practice question

Triangles $ABC$ and $CBD$ are mathematically similar. $AB = 5\text{ cm}$, $AC = 7\text{ cm}$ and $BC = 8\text{ cm}$.
(main)[2]

Calculate the value of $BD$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the proportion $\frac{8}{BD}=\frac{5}{8}$” …

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