2025 IGCSE 0580 May/June P41 Q17

2025 IGCSE 0580 May/June P41 Q17

10 marks

The diagram shows a quadrilateral \(ABCD\).

  1. Calculate \(AD\).[3]
  2. Calculate the obtuse angle \(BDC\).[4]
  3. Calculate the area of the quadrilateral.[3]

Solution:

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Answer:(a) \(10.4\text{ cm}\). (b) \(107.3^\circ\). (c) \(89.7\text{ cm}^2\).

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