2025 CGS PRELIMS P1 Q12

2025 CGS PRELIMS P1 Q12

Secondary 4
4 marks

In the diagram, angle \(ACB=\) angle \(DAB\).

  1. Show that the triangles \(ABC\) and \(DBA\) are similar.[2]
  2. Given that \(AB=5.2\text{ cm}\) and \(BC=3.4\text{ cm}\), find the length of \(CD\).[2]

Solution:

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Answer:(a) \(\triangle ABC\sim\triangle DBA\) (b) \(4.55\text{ cm}\)

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