2025 CGS PRELIMS P1 Q17

2025 CGS PRELIMS P1 Q17

Secondary 4
5 marks

The diagram shows a quadrilateral \(ABCD\). \(AB=5.4\text{ cm}\), \(BC=7.6\text{ cm}\), \(CD=8.3\text{ cm}\), angle \(BCD=75^\circ\) and angle \(ADB=32^\circ\).

  1. Find \(BD\).[3]
  2. Find angle \(BAD\).[2]

Solution:

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Answer:(a) \(9.70\text{ cm}\) (b) \(107.9^\circ\)

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