2025 NASS PRELIMS P1 Q16

2025 NASS PRELIMS P1 Q16

Secondary 4
3 marks
  1. The diagonals of rhombus \(ABCD\) intersect at \(O\). \(OA=a\text{ cm}\) and \(OD=d\text{ cm}\). Find its area in terms of \(a\) and \(d\).[1]
  2. The diagonals of kite \(PQRS\) intersect at \(M\). \(PM=x\text{ cm}\), \(QM=y\text{ cm}\), and \(PM:PR=1:4\). Find its area in terms of \(x\) and \(y\).[2]

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Answer:(a) \(2ad\text{ cm}^2\) (b) \(4xy\text{ cm}^2\)

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